circle (part of the plane bounded by a curve)
circle (line enclosing such a plane)
wheel (round simple machine allowing vehicles to move)
wheel (simple machine on an axis allowing for rotation)
circle (anything round)
circle (enclosure made by people usually holding hands, often as a children's game)
breaking wheel
circle (specific groups of persons; especially one who shares a common interest)
(colloquial) grand, one thousand zloty
assembly of councilors, meeting of an assembly
kolo (Slavic dance in which dancers stand in a circle and hold hands)
(obsolete) bicycle (two wheeled vehicle, usually powered with the feet)
(obsolete) rotating false wardrobe leading to a hidden room
orbit (path of celestial body)
The meaning of this term is uncertain.

about, around, approximately