platoon (Noun) — (military) a military unit that is a subdivision of a company; usually has a headquarters and two or more squads; usually commanded by a lieutenant.
platoon (Noun) — A team of policemen working under the military platoon system.
platoon (Noun) — A group of persons who are engaged in a common activity. ex. "platoons of tourists poured out of the busses" ex. "the defensive platoon of the football team"