n. the blood group whose red cells carry the A antigen

n. a regular trip; "the ship made its run in record time"

n. a short trip; "take a run into town"

n. a venture undertaken without regard to possible loss or injury; "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing"

n. the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps"

n. a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

n. a source of danger; a possibility of incurring loss or misfortune; "drinking alcohol is a health hazard"

n. any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

n. a score in baseball made by a runner touching all four bases safely; "the Yankees scored 3 runs in the bottom of the 9th"; "their first tally came in the 3rd inning"

n. the act of running; traveling on foot at a fast pace; "he broke into a run"; "his daily run keeps him fit"

n. an unbroken series of events; "had a streak of bad luck"; "Nicklaus had a run of birdies"

n. (computer science) the process of carrying out an instruction by a computer

n. program written and scheduled for execution

n. (American football) a play in which a player attempts to carry the ball through or past the opposing team; "the defensive line braced to stop the run"; "the coach put great emphasis on running"

n. the act of testing something; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial"

n. the pouring forth of a fluid

n. a row of unravelled stitches; "she got a run in her stocking"

n. a race run on foot; "she broke the record for the half-mile run"

n. networking company

v. cause to perform; "run a subject"; "run a process"

v. change from one state to another; "run amok"; "run rogue"; "run riot"

v. carry out; "run an errand"

v. cause an animal to move fast; "run the dogs"

v. expose to a chance of loss or damage; "We risked losing a lot of money in this venture"; "Why risk your life?"; "She laid her job on the line when she told the boss that he was wrong"

v. come unraveled or undone as if by snagging; "Her nylons were running"

v. compete in a race; "he is running the Marathon this year"; "let's race and see who gets there first"

v. compete in a race; "he is running the Marathon this year"; "let's race and see who gets there first"

v. run, stand, or compete for an office or a position; "Who's running for treasurer this year?"

v. be operating, running or functioning; "The car is still running--turn it off!"

v. cause to emit recorded sounds; "They ran the tapes over and over again"; "Can you play my favorite record?"

v. include as the content; broadcast or publicize; "We ran the ad three times"; "This paper carries a restaurant review"; "All major networks carried the press conference"

v. travel a route regularly; "Ships ply the waters near the coast"

v. cover by running; run a certain distance; "She ran 10 miles that day"

v. move fast by using one's feet, with one foot off the ground at any given time; "Don't run--you'll be out of breath"; "The children ran to the store"

v. keep company; "the heifers run with the bulls to produce offspring"

v. sail before the wind

v. be diffused; "These dyes and colors are guaranteed not to run"

v. deal in illegally, such as arms or liquor

v. set animals loose to graze

v. direct or control; projects, businesses, etc.; "She is running a relief operation in the Sudan"

v. make without a miss

v. stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point; "Service runs all the way to Cranbury"; "His knowledge doesn't go very far"; "My memory extends back to my fourth year of life"; "The facts extend beyond a consideration of her personal assets"

v. extend or continue for a certain period of time; "The film runs 5 hours"

v. cause something to pass or lead somewhere; "Run the wire behind the cabinet"

v. have a particular form; "the story or argument runs as follows"; "as the saying goes..."

v. change or be different within limits; "Estimates for the losses in the earthquake range as high as $2 billion"; "Interest rates run from 5 to 10 percent"; "The instruments ranged from tuba to cymbals"; "My students range from very bright to dull"

v. referring to a subordinate program, to run within the control of a high-level program

v. take a risk in the hope of a favorable outcome; "When you buy these stocks you are gambling"

v. become undone; "the sweater unraveled"

v. reduce or cause to be reduced from a solid to a liquid state, usually by heating; "melt butter"; "melt down gold"; "The wax melted in the sun"

n. something that is a source of danger; "earthquakes are a constant threat in Japan"

n. a source of danger; a possibility of incurring loss or misfortune; "drinking alcohol is a health hazard"

n. an unknown and unpredictable phenomenon that causes an event to result one way rather than another; "bad luck caused his downfall"; "we ran into each other by pure chance"

n. the act of gambling; "he did it on a bet"

n. the money risked on a gamble

n. a venture undertaken without regard to possible loss or injury; "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing"

n. something that is a source of danger; "earthquakes are a constant threat in Japan"

n. a fast gait of a horse; a two-beat stride during which all four legs are off the ground simultaneously

n. a step in walking or running

n. a smooth three-beat gait; between a trot and a gallop

n. a gait faster than a walk; diagonally opposite legs strike the ground together

n. a series of poems or songs on the same theme; "Schubert's song cycles"

n. serial arrangement in which things follow in logical order or a recurrent pattern; "the sequence of names was alphabetical"; "he invented a technique to determine the sequence of base pairs in DNA"

n. a connected series of events or actions or developments; "the government took a firm course"; "historians can only point out those lines for which evidence is available"

n. dominant course (suggestive of running water) of successive events or ideas; "two streams of development run through American history"; "stream of consciousness"; "the flow of thought"; "the current of history"

n. an investigation of the component parts of a whole and their relations in making up the whole

n. a detailed critical inspection

v. pose a threat to; present a danger to; "The pollution is endangering the crops"

v. put in a dangerous, disadvantageous, or difficult position

v. to believe especially on uncertain or tentative grounds; "Scientists supposed that large dinosaurs lived in swamps"

v. run at a moderately swift pace

v. run away; usually includes taking something or somebody along; "The thief made off with our silver"; "the accountant absconded with the cash from the safe"

v. run or move very quickly or hastily; "She dashed into the yard"

v. sell illicit products such as drugs or alcohol; "They were bootlegging whiskey"

v. perform an action, or work out or perform (an action); "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel"

v. act in an official capacity in a ceremony or religious ritual, such as a wedding; "Who officiated at your wedding?"

v. be in charge of, act on, or dispose of; "I can deal with this crew of workers"; "This blender can't handle nuts"; "She managed her parents' affairs after they got too old"

v. behave well or properly; "The children must learn to behave"

v. perform a function; "Who will perform the wedding?"

v. act out; represent or perform as if in a play; "She reenacted what had happened earlier that day"

v. put to use; "exert one's power or influence"

v. work in an administrative capacity; supervise; "administer a program"

v. exercise authority over; as of nations; "Who is governing the country now?"

v. to be courageous enough to try or do something; "I don't dare call him", "she dares to dress differently from the others"

v. put at risk; "I will stake my good reputation for this"

v. pose a threat to; present a danger to; "The pollution is endangering the crops"

v. to believe especially on uncertain or tentative grounds; "Scientists supposed that large dinosaurs lived in swamps"

v. break into parts or components or lose cohesion or unity; "The material disintegrated"; "the group disintegrated after the leader died"

v. lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process"

v. cause to separate; "break up kidney stones"; "disperse particles"

v. decide (a contest or competition) by a runoff

v. agitate for

v. play boisterously; "The children frolicked in the garden"; "the gamboling lambs in the meadows"; "The toddlers romped in the playroom"

v. flee; take to one's heels; cut and run; "If you see this man, run!"; "The burglars escaped before the police showed up"

n. the act of traveling by foot; "walking is a healthy form of exercise"

v. run disconnected or idle; "the engine is idling"

v. accompany or escort; "I'll walk you to your car"

v. stay the same; remain in a certain state; "The dress remained wet after repeated attempts to dry it"; "rest assured"; "stay alone"; "He remained unmoved by her tears"; "The bad weather continued for another week"

v. come into sight or view; "He suddenly appeared at the wedding"; "A new star appeared on the horizon"

v. referring to a control program, to run to a subordinate program

v. make solid or more solid; cause to solidify

v. separate into parts or portions; "divide the cake into three equal parts"; "The British carved up the Ottoman Empire after World War I"