What is the meaning of Troop?

A collection of people; a number; a multitude (in general).

A small unit of cavalry or armour commanded by a captain, corresponding to a platoon or company of infantry.

A detachment of soldiers or police, especially horse artillery, armour, or state troopers.

A group of soldiers; military forces.

An individual soldier or member of a military force; a trooper.

A company of actors; a troupe.

A chapter of a national girl or boy scouts organization, consisting of one or more patrols of 6 to 8 youngsters each.

A group of monkeys.

A group of meerkat families living together.

A particular roll of the drum; a quick march.

A group of mushrooms that are close but not close enough to be called a cluster.

To move in numbers; to come or gather in crowds or troops.

To march on; to go forward in haste.

To move or march as if in a crowd.

trope

Source: wiktionary.org