Tap

A tapering cylindrical pin or peg used to stop the vent in a cask.

A device used to dispense liquids.

"We don't have bottled water; you'll have to get it from the tap."

Liquor drawn through a tap; hence, a certain kind or quality of liquor.

"a liquor of the same tap"

A place where liquor is drawn for drinking.

To furnish with taps.

"If we tap the maple trees, we can get maple syrup!"

To draw off liquid from a vessel.

"He tapped a new barrel of beer."

To deplete, especially of a liquid via a tap; to tap out.

To exploit.

"Businesses are trying to tap the youth market."