Definition of "Circle" :

noun: movement once around a course

noun: any circular or rotating mechanism

"The machine punched out metal circles."

noun: 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."

noun: street names for flunitrazepan

noun: a road junction at which traffic streams circularly around a central island

noun: an unofficial association of people or groups

noun: ellipse 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."

noun: something approximating the shape of a circle

"The chairs were arranged in a circle."

verb: form or draw a circle around

"Encircle the errors."

verb: travel around something

"Circle the globe."

verb: move in a circular path above (someone or something)

"The plane circled, looking for a landing spot."