noun
plural pumps
[count] a device that forces liquid, air, or gas into or out of something
the act of pumping something
at the pump
also at the pumps
US informal :at the places where customers buy gasoline for their cars
prime the pump
verb
pumps; pumped; pumping
to move something (such as water, air, or gas) to or from a particular place with a pump [+ obj]
[+ obj] :to remove water, air, etc., from (something) with a pump
[+ obj] :to remove the contents of (someone's stomach) by using a tube and a small pump
of the heart :to move (blood) through your body by beating [+ obj]
always followed by an adverb or preposition [no obj] of a liquid :to flow in a series of movements caused by the action of a pump, by the beating of your heart, etc.
to move (something) up and down or in and out quickly and repeatedly [+ obj]
[+ obj] informal :to question (someone) again and again to try to find out information - often + for
pump iron
informal :to lift weights in order to make your muscles stronger
pump out
[phrasal verb]
pump out (something) or pump (something) out informal :to produce (something) quickly and frequently
pump (someone or something) full of (something)
to fill (someone or something) with (something) by using a pump
pump up
[phrasal verb]
pump (something) up or pump up (something) :to fill (something, such as a tire) with air by using a pump :inflate
pump (something) up or pump up (something) informal :to increase the amount, size, or value of (something)
pump (someone) up or pump up (someone) :to fill (someone) with excitement or enthusiasm
noun
plural pumps
[count] US :a woman's dress shoe with a high heel - usually plural
Brit :a light, soft shoe that is worn for dancing or exercise