Definitions

1. noun

a handle of a pump, especially one that is used to operate a hand-pump, or a handle that is used to manipulate or lift something.

“The fireman used the pumphandle to prime the old hand-pump.”

2. noun

a part of a mechanical device, such as a pump or a valve, that is turned or manipulated in order to operate it.

“The engineer examined the pumphandle to see why the pump was malfunctioning.”