Third-person singular simple present indicative form of fist pump

simple past tense and past participle of fist pump

plural of pump-jet

plural of sump pump

plural of hogger pump

(mining) The forepump in the pit of a mine.

plural of Sprengel pump

A kind of vacuum pump in which vacuum is produced by a stream of mercury drops running down a very narrow tube

plural of pump trolley

A light railroad car propelled by a hand-operated pumping mechanism; a handcar.