Pronunciation: (snāl),[key] —n. 1. any mollusk of the class Gastropoda, having a spirally coiled shell and a ventral muscular foot on which it slowly glides about.
2. a slow or lazy person; sluggard.
3. a cam having the form of a spiral.
4. Midwestern and Western U.S.a sweet roll in spiral form, esp. a cinnamon roll or piece of Danish pastry.