A small hand-operated pump with a stirrup-shaped base that was placed in a bucket of water, allowing a small hose to direct a stream onto minor fires.

A pump that moves air either into or out of something.

present participle of pump iron

(weightlifting, informal) The activity of weightlifting, especially for the purposes of bodybuilding.

(transitive) To inflate by means of a pump. / (transitive) To inflate with a pumping action. / (transitive, figuratively) To excite a person or group to a frenzy.

a pump used for the removal of liquid from a sump or sump pit

(Canada, US) A device at a gas station that dispenses gasoline.

(Australia, New Zealand) Under pressure to perform, e.g. at work or in a sports contest. / Used other than figuratively or idiomatically: see under, pump.

(biochemistry) The transport of sodium ions across biological membranes using the metabolic energy of ATP.

A water pump consisting of a series of buckets on a chain, wheel or drum.