Definitions
1.nounA soldier of private rank in cavalry or armour.
2.nounA cavalry horse; charger.
3.nounA soldier.
4.nounA troopship.
5.nounA state trooper.
6.nounA mounted policeman.
7.nounOne who endures adversity or hardship with an attitude of stoicism and persistence."He was a real trooper about taking care of the kids for the weekend."
8.verbTo work as a trooper.
9.verbTo work steadily at an unpleasant job without complaint.