a soldier in an army who fights in a tank, or (especially in the past) on a horse

Former cavalrymen gather at West Point for a yearly memorial. 退伍坦克兵聚集在西点军校举行年度纪念活动。

Genghis Khan’s nomadic cavalrymen once wreaked devastation across Asia. 成吉思汗的游牧骑兵曾在亚洲大肆横行破坏。