Meaning

• A device for moving or compressing a liquid or gas.

  "This pump can deliver 100 gallons of water per minute."

• An 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."

• A device for dispensing liquid or gas to be sold, particularly fuel.

  "This pump is out of order, but you can gas up at the next one."

• A swelling of the muscles caused by increased blood flow following high intensity weightlifting.

• A 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."

• The heart.

• (British slang) The vagina.

Meaning

• To use a pump to move (liquid or gas).

  "I've pumped over 1000 gallons of water in the last ten minutes."

• (often followed by up) To fill with air.

  "He pumped up the air-bed by hand, but used the service station air to pump up the tyres."

• To move rhythmically, as the motion of a pump.

  "I pumped my fist with joy when I won the race."

• To shake (a person's hand) vigorously.

• To gain information from (a person) by persistent questioning.

• To use a pump to move liquid or gas.

  "I've been pumping for over a minute but the water isn't coming through."

• To be going very well.

  "Last night's party was really pumping."

• To kick, throw or hit the ball far and high.

• To pass gas; to fart.

• To pass (messages) into a program so that it can obey them.

• (British slang) To copulate.

• To weightlift.

Meaning

• A type of shoe, a trainer or sneaker.

• A 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."

• A dancing shoe.

• A type of shoe without a heel.