1. A military unit of infantry soldiers, typically consisting of 25 to 50 soldiers, commanded by a lieutenant or sergeant and organized into squads
The infantry platoon advanced through the valley under heavy fire.
O pelotão de infantaria avançou pelo vale sob fogo cerrado.
2. The smallest tactical unit in an infantry company structure
Each infantry platoon was equipped with modern assault rifles.
Cada pelotão de infantaria foi equipado com rifles de assalto modernos.