n. movement once around a course; "he drove an extra lap just for insurance"

n. a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra; "they had excellent seats in the dress circle"

n. any circular or rotating mechanism; "the machine punched out metal circles"

n. a road junction at which traffic streams circularly around a central island; "the accident blocked all traffic at the rotary"

n. something approximating the shape of a circle; "the chairs were arranged in a circle"

n. an area similar to that used for shot put

v. form a circle around; "encircle the errors"

v. move in circles

v. be around; "Developments surround the town"; "The river encircles the village"