Definition of "Tap" :
noun: a light touch or stroke
noun: the act of tapping a telephone or telegraph line to get information
noun: a plug for a bunghole in a cask
noun: a tool for cutting female (internal) screw threads
noun: a small metal plate that attaches to the toe or heel of a shoe (as in tap dancing)
noun: a faucet for drawing water from a pipe or cask
noun: the sound made by a gentle blow
noun: a gentle blow
verb: make a solicitation or entreaty for something; request urgently or persistently
verb: draw from; make good use of
verb: strike lightly
"He tapped me on the shoulder."
verb: cut a female screw thread with a tap
verb: pierce in order to draw a liquid from
"Tap a maple tree for its syrup."
verb: draw (liquor) from a tap
"Tap beer in a bar."
verb: dance and make rhythmic clicking sounds by means of metal plates nailed to the sole of the dance shoes
"Glover tapdances better than anybody."
verb: walk with a tapping sound
verb: make light, repeated taps on a surface
"He was tapping his fingers on the table impatiently."
verb: tap a telephone or telegraph wire to get information
"The FBI was tapping the phone line of the suspected spy."
verb: draw from or dip into to get something
"Tap one's memory."
verb: furnish with a tap or spout, so as to be able to draw liquid from it
"Tap a cask of wine."