1. a railway porter who carries luggage for passengers
Usage: chiefly British
2. a military police officer
Usage: military slang

Examples

• The redcap helped carry our heavy suitcases to the train platform.
• At the station, a redcap offered to assist with our luggage for a small tip.
• The redcap quickly loaded the bags onto his cart.
• Military redcaps patrolled the base entrance checking identification.
• The redcap directed passengers to the correct train car.
• She tipped the redcap generously for his help with the heavy trunk.