Dictionary

To furnish with taps.

Example: If we tap the maple trees, we can get maple syrup!

To draw off liquid from a vessel.

Example: He tapped a new barrel of beer.

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

To exploit.

Example: Businesses are trying to tap the youth market.

To strike lightly.

Example: She tapped him on the shoulder to get his attention.

To touch one's finger, foot, or other body parts on a surface (usually) repeatedly.

Example: He was so nervous he began to tap his fingers on the table.

To make a sharp noise.

Example: The tree, swaying in the breeze, began to tap on the window pane.

To operate an electronic device (e.g. a mobile phone) by tapping a specific place on its (capacitive or other) touch screen.

Furnished with active taps (e.g. a keg or a maple tree)

Of a card or playing piece, used up for the current turn