Dictionary definition · tap
noun
- the sound made by a gentle blow
- a gentle blow
- a faucet for drawing water from a pipe or cask
- a small metal plate that attaches to the toe or heel of a shoe (as in tap dancing)
- a tool for cutting female (internal) screw threads
- a plug for a bunghole in a cask
verb
- cut a female screw thread with a tap
- draw from or dip into to get something"tap one's memory"
- strike lightly"He tapped me on the shoulder"
- draw from; make good use of"we must exploit the resources we are given wisely"
- tap a telephone or telegraph wire to get information"The FBI was tapping the phone line of the suspected spy"
- furnish with a tap or spout, so as to be able to draw liquid from it"tap a cask of wine"
Source: Open English WordNet (CC BY 4.0).