Yes, tap is a Scrabble word!

Verb

1. Cut a female screw thread with a tap

2. Draw from or dip into to get something

3. Strike lightly

4. Draw from; make good use of

5. Tap a telephone or telegraph wire to get information

6. Furnish with a tap or spout, so as to be able to draw liquid from it

7. Make light, repeated taps on a surface

8. Walk with a tapping sound

9. Dance and make rhythmic clicking sounds by means of metal plates nailed to the sole of the dance shoes

10. Draw (liquor) from a tap

11. Pierce in order to draw a liquid from

12. Make a solicitation or entreaty for something; request urgently or persistently

Noun

1. The sound made by a gentle blow

2. A gentle blow

3. A faucet for drawing water from a pipe or cask

4. A small metal plate that attaches to the toe or heel of a shoe (as in tap dancing)

5. A tool for cutting female (internal) screw threads

6. A plug for a bunghole in a cask

7. The act of tapping a telephone or telegraph line to get information

8. A light touch or stroke