an assemblage of persons or things; company; band.

a great number or multitude

A whole troop of children swarmed through the museum.

Military . an armored cavalry or cavalry unit consisting of two or more platoons and a headquarters group.

troops, a body of soldiers, police, etc.

Mounted troops quelled the riot.

a unit of Boy Scouts or Girl Scouts usually having a maximum of 32 members under the guidance of an adult leader.

a herd, flock, or swarm.

Archaic . a band or troupe of actors.

to gather in a company; flock together.

to come, go, or pass in great numbers; throng.

to walk, as if in a march; go

to troop down to breakfast.

to walk, march, or pass in rank or order

The students trooped into the auditorium.

to associate or consort (usually fol. by with ).

British Military . to carry (the flag or colors) in a ceremonial way before troops.

Obsolete . to assemble or form into a troop or troops.

noun

armed forces , army , assemblage , assembly , band , body , bunch , collection , combatants , company , contingent , corps , crew , crowd , delegation , drove , fighting men , flock , forces , gang , gathering , herd , horde , host , legion , men , military , multitude , number , outfit , pack , party , servicemen , soldiers , soldiery , squad , swarm , team , throng , troopers , troops , troupe , unitnotes:troop is from latin troppus \'flock\' and is a group of people or animals; troupe is a company of actors or performers , conclave , conference , congregation , congress , convention , convocation , group , meeting , muster , array , battery , cavalry , detachment , garrison , infantry , march , picket , reinforcements , unit , vanguard

verb

flood , swarm , throng , consort , fraternize , hang around , hobnob , run