Yes, spindle is a Scrabble word!

Noun

1. (biology) tiny fibers that are seen in cell division; the fibers radiate from two poles and meet at the equator in the middle

2. A piece of wood that has been turned on a lathe; used as a baluster, chair leg, etc.

3. Any of various rotating shafts that serve as axes for larger rotating parts

4. A stick or pin used to twist the yarn in spinning

5. Any holding device consisting of a rigid, sharp-pointed object