PUMPS

a mechanical device using suction or pressure to raise or move liquids, compress gases, or force air into inflatable objects such as tyres

an active transport mechanism in living cells by which specific ions are moved through the cell membrane against a concentration gradient

a pump-action shotgun

force (liquid, gas, etc.) to move by or as if by means of a pump

draw (milk) from the breast using a breast pump, typically in order to feed a baby by means of a bottle

fill (something such as a tyre or balloon) with liquid or gas using a pump

move vigorously up and down

try to elicit information from (someone) by persistent questioning

a sports shoe; a plimsoll.

a court shoe.