PUMPER Meaning of PUMPER in English /pum"peuhr/ , n.1. a person or thing that pumps. 2. a fire truck specially equipped to pump water at the site of a fire. [ 1650-60; PUMP 1 + -ER 1 ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012