- pump
- pump1noun1》 a mechanical device using suction or pressure to raise or move liquids, compress gases, or force air into inflatable objects.2》 Physiology a mechanism in living cells by which specific ions are moved through a cell membrane against a concentration gradient.verb1》 force (liquid, gas, etc.) to move by or as if by means of a pump.↘move in spurts as though driven by a pump.↘(pump something out) produce or emit something in large quantities or amounts.2》 (often pump something up) fill (something) with (liquid, gas, etc.).↘(pump something up) informal turn up the volume of music.↘[as adjective pumped up] informal very enthusiastic or excited.3》 move or cause to move vigorously up and down.4》 informal try to elicit information from (someone) by persistent questioning.Phrasespump iron informal exercise with weights.Derivativespumper nounOriginME: related to Du. pomp 'ship's pump', prob. partly of imitative origin.————————pump2noun1》 chiefly N. English a plimsoll.2》 Brit. a light shoe for dancing.3》 N. Amer. a court shoe.OriginC16: of unknown origin.
English new terms dictionary. 2014.