(sports) To pretend to throw or shoot the ball in order to make a defender react.

(sports) Alternative spelling of pump fake

A piece of equipment used for extraction of gas or vapour from an enclosed space, leaving the container with a partial vacuum.

A device that transfers thermal energy between spaces, usually between an enclosed space and the outdoors.

(biochemistry) Any protein in the membrane of a cell or mitochondrion whose function is to move protons across the membrane and thus establish an electrochemical potential.

(idiomatic) To lift weights; to engage in weight or strength training.

(slang) To use a breast pump and then discard the milk, typically because one has had an infection, or has been drinking alcohol.

(finance) A form of financial fraud where the fraudster buys stocks cheaply, generates excitement about those stocks to create a temporary price increase, then sells the stocks before the price goes back down.

a pump used for the removal of liquid from a sump or sump pit

A small hand-operated pump with a stirrup-shaped base that was placed in a bucket of water, allowing a small hose to direct a stream onto minor fires.