Meaning of trooper

troop•er

Pronunciation: (tr'pur), [key]
— n.
  1. a horse-cavalry soldier.
  2. a mounted police officer; a police officer on horseback.
  3. See
  4. a cavalry horse.
  5. a troopship.
  6. with great energy, enthusiasm, or display: He swears like a trooper.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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