Definition of “tap”
noun:
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A tapering cylindrical pin or peg used to stop the vent in a cask; a spigot.
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A device used to dispense liquids.
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A repeated touching of one's hands, foot or other body part.
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verb:
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To draw off liquid from a vessel.
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To knock slowly.
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To touch one's finger, foot, or other body parts on a surface (usually) repeatedly.
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To make a sharp noise.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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