- a soldier in a cavalry regiment
- US Austral a mounted police officer
- US a state police officer
- a cavalry horse
- informal chiefly Brit a troopship
WordReference Random House Learner's Dictionary of American English © 2026
troop•er /ˈtrupɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- a member of a state police force;
a state trooper. - Militarya cavalry soldier.
- someone who does not give up:She's a real trooper; you can count on her to finish the job.
troop•er
(tro̅o̅′pər),USA pronunciation n.
- Militarya horse-cavalry soldier.
- a mounted police officer;
a police officer on horseback. - See state trooper.
- Militarya cavalry horse.
- British Terms, Military[Chiefly Brit.]a troopship.
- like a trooper, with great energy, enthusiasm, or display:He swears like a trooper.
- troop + -er1 1630–40
Collins Concise English Dictionary © HarperCollins Publishers::
trooper /ˈtruːpə/ n
'trooper' also found in these entries (note: many are not synonyms or translations):