circle in WordNet English dictionary

1. an unofficial association of people or groups
   "the smart set goes there"; "they were an angry lot"
   set  circle  band  lot 
   
2. movement once around a course
   "he drove an extra lap just for insurance"
   lap  circle  circuit 
   
3. any circular or rotating mechanism
   "the machine punched out metal circles"
   circle  round 
   
4. a road junction at which traffic streams circularly around a central island
   "the accident blocked all traffic at the rotary"
   traffic circle  circle  rotary  roundabout 
   
5. 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"
   circle  dress circle 
   
6. street names for flunitrazepan
   R-2  Mexican valium  rophy  rope  roofy  roach  forget me drug  circle 
   
7. 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"
   circle 
   
8. something approximating the shape of a circle
   "the chairs were arranged in a circle"
   circle 
   

1. form a circle around
   "encircle the errors"
   encircle  circle 
   
2. move in circles
   circle  circulate 
   
3. travel around something
   "circle the globe"
   circle