#1 tap v. cut a female screw thread with a tap. wn
#2 tap n. [pat, rap] the sound made by a gentle blow. wn
#3 tap v. draw from or dip into to get something; "tap one's memory"; "tap a source of money". wn
#4 tap v. [tip] strike lightly; "He tapped me on the shoulder". wn
#5 tap v. [exploit] draw from; make good use of; "we must exploit the resources we are given wisely". wn
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