1. The process of making fibrous material into yarn or thread.
2. The act of fishing with a light rod and a reel having a bail or similar device that guides the line around a stationary spool and that can be disengaged to let the line run freely, as when casting. Also called spin casting, spin fishing.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.