Meaning of “tap” - Learner’s Dictionary


noun [ C ] uk us /tæp/
WATER UK (US faucet)

B1 the part at the end of a pipe that controls the flow of water:

the cold/hot tap
to turn a tap on/off
She rinsed the cup under the tap.

B2 a gentle knock or touch, or the noise made by knocking something gently:

I felt a tap on my shoulder.
There was a tap at the door.

a small piece of equipment that can be fixed to someone's telephone in order to listen to their telephone calls

on tap

easily available:

They have all that sort of information on tap.

(Definition of “tap noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)