an imaginary line around the Earth forming the great circle that is equidistant from the north and south poles; "the equator is the boundary between the northern and southern hemispheres"
a circle dividing a sphere or other surface into two usually equal and symmetrical parts
the defensive football players who line up behind the linemen
belonging to a lower class or rank
not of major importance; "played a secondary role in world events"
being of second rank or importance or value; not direct or immediate; "the stone will be hauled to a secondary crusher"; "a secondary source"; "a secondary issue"; "secondary streams"
depending on or incidental to what is original or primary; "a secondary infection"
performance given by a traveling company of acrobats clowns and trained animals; "the children always love to go to the circus"
a frenetic disorganized (and often comic) disturbance suggestive of a large public entertainment; "it was so funny it was a circus"; "the whole occasion had a carnival atmosphere"
a genus of haws comprising the harriers
an arena consisting of an oval or circular area enclosed by tiers of seats and usually covered by a tent; "they used the elephants to help put up the circus"
(antiquity) an open-air stadium for chariot races and gladiatorial games
a travelling company of entertainers; including trained animals; "he ran away from home to join the circus"