Yes, pipe is a Scrabble word!

Verb

1. Utter a shrill cry

2. Transport by pipeline

3. Play on a pipe

4. Trim with piping

Noun

1. A tube with a small bowl at one end; used for smoking tobacco

2. A long tube made of metal or plastic that is used to carry water or oil or gas etc.

3. A hollow cylindrical shape

4. A tubular wind instrument

5. The flues and stops on a pipe organ