Definitions
1.NounA device for moving or compressing a liquid or gas."This pump can deliver 100 gallons of water per minute."
2.NounAn instance of the action of a pump; one stroke of a pump; any action similar to pumping"It takes thirty pumps to get 10 litres; he did 50 pumps of the weights."
3.NounA device for dispensing liquid or gas to be sold, particularly fuel; a gas pump."This pump is out of order, but you can gas up at the next one."
4.NounA swelling of the muscles caused by increased blood flow following high intensity weightlifting.
5.NounA ride on a bicycle given to a passenger, usually on the handlebars or fender."She gave the other girl a pump on her new bike."
6.NounThe heart.
7.NounThe vagina.
8.VerbTo use a pump; to move (water or other liquid) by means of a pump. .mw-parser-output .defdate{font-size:smaller}"I've been pumping for over a minute but the water isn't coming through.; I've pumped over 1000 gallons of water in the last ten minutes."
9.VerbTo inject or pour (something) into someone or something in a manner similar to a pump.
10.VerbTo put (a person or part of the body) under a stream of water from a pump, as a punishment or as a form of medical treatment; to force a pump of water upon or on someone.
11.VerbTo gain something, especially information, from (a person) by persistent questioning.
12.VerbTo have sex with; to sexually penetrate, especially with a thrusting motion.
13.VerbTo express milk from (a breast) by means of a breast pump.
14.VerbTo fill with air by means of a pump; to inflate."He pumped up the air-bed by hand, but used the service station air to pump up the tyres."
15.VerbTo move rhythmically, as the motion of a pump."I pumped my fist with joy when I won the race."
16.VerbTo enlarge the body by means of weightlifting or steroid use.
17.VerbTo shake (a person's hand) vigorously.
18.VerbOf music: to be loud, to have strong bass and rhythms; to be full of energy."The waves were really pumping this morning.; Last night's party was really pumping."
19.VerbTo kick, throw, or hit the ball far and high.
20.VerbTo pass gas; to fart quietly.
21.VerbTo pass (messages) into a program so that it can obey them.
22.VerbTo inject silicone into the body in order to try to achieve a fuller or curvier look.
23.VerbTo fire a bullet from a firearm.
24.VerbTo load a shell into the chamber of a pump-action shotgun by pumping the mechanism."He ran on, pumping another round up into his scattergun."
25.NounA low-top shoe with a rubber sole and a canvas upper; a low-top canvas sneaker.
26.NounA type of women's shoe which leaves the instep uncovered and has a relatively high heel, especially a stiletto (with a very high and thin heel)"She was wearing a lovely new pair of pumps."
27.NounA dancing shoe.
28.NounA type of shoe without a heel.(Can we add an example for this sense?)