Definition of pump noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//pʌmp//
    ; NAmE NAmE//pʌmp//
    Footwear, How machines work
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  1. 1a machine that is used to force liquid, gas or air into or out of something She washed her face at the pump in front of the inn. (British English) a petrol pump (North American English) a gas pump a foot/hand pump (= that you work by using your foot or hand) a bicycle pump see also stomach pump See related entries: How machines work
  2. 2 (British English) = plimsoll
  3. 3 (especially North American English) (British English court shoe) a woman’s formal shoe that is plain and does not cover the top part of the foot
  4. 4 (British English) a woman’s light soft flat shoe worn for dancing or exercise; a similar style of shoe worn as a fashion item ballet pumps See related entries: Footwear
  5. Word Originnoun sense 1 late Middle English (originally in nautical use): related to Dutch pomp ‘ship's pump’ (earlier in the sense ‘wooden or metal conduit’), probably partly of imitative origin. noun senses 2 to 4 mid 16th cent.: of unknown origin.Idioms
    all hands on deck (also all hands to the pump)
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    (saying, humorous) everyone helps or must help, especially in a difficult situation There are 30 people coming to dinner tonight, so it's all hands on deck.
    to encourage the growth of a new or weak business or industry by putting money into it
See the Oxford Advanced American Dictionary entry: pump