Nouns

(n)circleellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point“he calculated the circumference of the circle”
(n)set, circle, band, lotan unofficial association of people or groups“the smart set goes there”, “they were an angry lot”
(n)circlesomething approximating the shape of a circle“the chairs were arranged in a circle”
(n)lap, circle, circuitmovement once around a course“he drove an extra lap just for insurance”
(n)traffic circle, circle, rotary, roundabouta road junction at which traffic streams circularly around a central island“the accident blocked all traffic at the rotary”
(n)R-2, Mexican valium, rophy, rope, roofy, roach, forget me drug, circlestreet names for flunitrazepam
(n)circle, dress circlea 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)circle, roundany circular or rotating mechanism“the machine punched out metal circles”

Verbs

(v)circletravel around something“circle the globe”
(v)circlemove in a circular path above (someone or something)“the plane circled, looking for a landing spot”
(v)encircle, circleform or draw a circle around“encircle the errors”