<p><strong>noun</strong></p><ul><li>A military unit consisting of two or more squads or sections and a headquarters.</li><li>A small unit of a police force.</li><li>A company or group of persons: a platoon of visitors.</li><li>(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.</li></ul><p><strong>verb</strong></p><ul><li>(Used with object) Sports. To use (a player) at a position in a game alternately with another player or players.</li><li>To alternate (two different teams or units), as separate offensive and defensive squads.</li></ul><p><strong>verb</strong></p><ul><li>(Used without object) Sports. To alternate at a position with another player or players.</li><li>To use players alternately at the same position.</li><li>To alternate different teams.</li></ul>