Infantry/ˈɪnfəntri/ Definition 1 of 2Pro Tip 1/3Combat Connotation Refers to soldiers in direct land combat, not in support roles or using vehicles. Infantry forces engaged the enemy in close combat. Pro Tip 2/3Historically Grounded Historically significant, often associated with bravery and key battles. The infantry has a storied history in the world's military traditions. Pro Tip 3/3Tactical Role Integral to military strategy, infantry often takes and holds ground. The general sent in the infantry to secure the area.