cav·al·ry
noun/ˈkævlri/
/ˈkævlri/
(usually the cavalry)
[singular + singular or plural verb]- (in the past) the part of the army that fought on horses; the part of the modern army that uses armoured vehicles
（旧时的）骑兵；装甲兵 - The cavalry charged up the hill to engage the rebels.
骑兵冲上山去与叛军交战。
Oxford Collocations DictionaryCavalry is used before these nouns:- charge
- horse
Word Originmid 16th cent.: from French cavallerie, from Italian cavalleria, from cavallo ‘horse’, from Latin caballus. - The cavalry charged up the hill to engage the rebels.