pump

pump

pump¹ [pump]

n.

[ME pumpe < MDu pompe < Sp bomba, prob. of echoic orig.]

1. any of various machines that force a liquid or gas into or through, or draw it out of, something, as by suction or pressure

2. Informal the heart

vt.

1. to raise or move (fluids) with a pump

2. to remove water, etc. from, as with a pump

3. to drive air into with a pump or bellows

4. to force in, draw out, drive, move up and down, pour forth, etc. by means of a pump or as a pump does

5. to apply force to with a pumping, up-and-down motion

6. Informal

a) to question closely and persistently

b) to get (information) from a person in this way

7. Physics to transfer or inject energy into (particles, the electrons of a laser, etc.)

vi.

1. to work a pump

2. to raise or move water, etc. with a pump

3. to move up and down or go by moving up and down like a pump handle or piston

4. to flow in, out, or through by, or as if by, being pumped

5. Basketball Football to fake a shot or a throw

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pump iron

Slang to lift barbells in weight-lifting exercises

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pump up

1. to inflate (a tire, ball, etc.) with air

2. Informal to fill with confidence, enthusiasm, etc.

pump² [pump]

n.

[< ? prob. < Fr colloq. pompe, boot, shoe, lit. PUMP¹: jocular for a shoe which pumps in the water]

a low-cut shoe without straps or ties; esp., such a woman's shoe with a moderate to high heel