Definition of: troop

(trp) noun
1. An assembled company; gathering; a herd or flock.
2. Usually plural A body of soldiers; soldiers collectively.
3. The cavalry unit of formation, corresponding to a company of infantry.
4. A body of Boy Scouts consisting of four patrols of eight scouts each.
5. Formerly, a troupe; a company of actors. See synonyms under ARMY.
—v.i.
1. To move along or gather as a troop or as a crowd.
2. Archaic To associate; consort.
—v.t.
3. To form into troops.
4. Brit. Mil. To carry ceremoniously before troops: to troop the colors. ♦ Homophone: troupe. [<OF trope <LL troppus a flock <Gmc.]