Definitions

1. noun

a member of a mounted police force, especially in Australia or the US.

“The state police sent a trooper to investigate the scene.”

2. noun

a member of a mounted band of soldiers, especially in the 18th century.

“During the Napoleonic Wars, the British cavalry was made up of many troopers.”

3. noun

a person who travels in a caravan or group, especially one that is on a tour or a journey.

“The family went on a road trip with a large group of troopers, including kids and grandparents.”