What’s the difference between cavalry and calvary? The first of these two refers to the group of soldiers on horseback, and is a linguistic relative of such “horsey” words as caballero, the Spanish horse-riding gentleman, and cavalcade, originally a...
teeth arm n. a military’s fighting troops, such as infantry, cavalry, and armored divisions. Editorial Note: Troops not in the teeth arm have supporting roles in technical, logistic, and administrative arms. (source: Double-Tongued Dictionary)

