noun
cavalry; cavalry unit
Refers to a military unit of soldiers on horseback. Often used in historical contexts.
騎兵隊が丘を越えて突撃してきた。
The cavalry charged over the hill.
騎兵 refers to an individual cavalry soldier or the cavalry branch in general, while 騎兵隊 specifically denotes a cavalry unit or troop.
Compound of 騎兵 (cavalry soldier) and 隊 (unit, corps).