TROOPER Meaning of TROOPER in English [troop.er] n (1640) 1 a (1): an enlisted cavalryman (2): the horse of a cavalryman b: paratrooper c: soldier 2. a: a mounted police officer b: a state police officer 3: trouper 2. Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012