"troop" in the noun sense
a group of soldiers
a cavalry unit corresponding to an infantry company
3. troop, scout troop, scout group
a unit of Girl or Boy Scouts
4. troop, flock
an orderly crowd
"a troop of children"
"troop" in the verb sense
1. parade, troop, promenade
march in a procession
"the veterans paraded down the street"
move or march as if in a crowd
"They children trooped into the room"
Source: WordNet® (An amazing lexical database of English)
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