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n.
(law) a railing that encloses the part of the courtroom where the judges and lawyers sit and the case is tried; "spectators were not allowed past the bar"
n.
(meteorology) a unit of pressure equal to a million dynes per square centimeter; "unfortunately some writers have used bar for one dyne per square centimeter"
n.
a narrow marking of a different color or texture from the background; "a green toad with small black stripes or bars"; "may the Stars and Stripes forever wave"
v.
stop (someone or something) from doing something or being in a certain state; "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"
v.
shift the position or location of, as for business, legal, educational, or military purposes; "He removed his children to the countryside"; "Remove the troops to the forest surrounding the city"; "remove a case to another court"
v.
consent to, give permission; "She permitted her son to visit her estranged husband"; "I won't let the police search her basement"; "I cannot allow you to see your exam"