platoon

American  

[pluh-toon] / pləˈtun /

noun

1. a military unit consisting of two or more squads or sections and a headquarters.

2. a small unit of a police force.

3. a company or group of persons.

   a platoon of visitors.

4. Football. a group of players specially trained in one aspect of the game, as offense or defense, and used as a unit.

   a halfback on the offensive platoon.

---

verb (used with object)

1. Sports.

   1. to use (a player) at a position in a game alternately with another player or players.

   2. to alternate (two different teams or units), as separate offensive and defensive squads.

verb (used without object)

1. Sports.

   1. to alternate at a position with another player or players.

   2. to use players alternately at the same position.

   3. to alternate different teams.

platoon British  

/ pləˈtuːn /

noun

1. military a subunit of a company usually comprising three sections of ten to twelve men: commanded by a lieutenant

2. a group or unit of people, esp one sharing a common activity, characteristic, etc

---

Etymology

Origin of platoon

1630–40; earlier plotton < French peloton little ball, group, platoon, diminutive of pelote ball. See pellet, -oon

Explanation

A platoon is a military unit made up of squads. If you’re in a war zone, you might see a platoon of soldiers guarding a checkpoint. Military branches such as the army, navy, air force, or marines are broken down into smaller groups. One is a platoon, which is part of a company and made up of squads. A platoon usually has its own headquarters and is under the command of a lieutenant. In a war, platoons will be stationed in places according to strategy — the platoon might be attacking or defending. Platoon (1986) is also the name of a war movie about Vietnam.

Example Sentences

One of the Anglian soldiers - Pte Tymoteusz Maciejewski, in the anti-tank platoon - was born in Poland but moved to England at the age of four.

From BBC • Mar. 22, 2026

He joined the Marines and led a rifle platoon of the Third Marine Division in Vietnam, where he received a Bronze Star and a Purple Heart.

From The Wall Street Journal • Mar. 21, 2026

Though she brought flying rainbow unicorns and a platoon of plotting penguins to life on screen, there’s more to Castuera’s resume than hyper-imaginative animation.

From Los Angeles Times • Feb. 17, 2026

His father is fighting and his stepfather -- one of only two survivors from his original platoon -- deserted to look after his three children.

From Barron's • Nov. 7, 2025

Our whole platoon really playing volleyball this time.

From "Okay for Now" by Gary D. Schmidt

Related Words

• batch
• detachment
• patrol
• squad
• squadron