Pronunciation: (spin'ing),[key] —n. 1. Textiles. a. the act or process of converting staple or short lengths of fiber, as cotton or rayon, into continuous yarn or thread.
b. the extrusion of a solution of fiber-forming substances through holes in a spinneret to form filaments.
2. Entomol.the act or process of secreting and placing silk or silklike filaments, as in the construction of a web by a spider or the formation of a cocoon by a caterpillar.
3. Also called spin casting, spin fishing, thread-line fishing.Angling.the act or technique of casting a relatively light lure attached to a threadlike line wound on a stationary spool.