'Cavalryman' definitions:

Definition of 'cavalryman'

(from WordNet)
noun
A soldier in a motorized army unit [syn: cavalryman, trooper]
noun
A soldier mounted on horseback; "a cavalryman always takes good care of his mount" [syn: cavalryman, trooper]

Definition of 'Cavalryman'

From: GCIDE
  • Cavalryman \Cav"al*ry*man\, n.; pl. Cavalrymen. One of a body of cavalry. [1913 Webster]