snail

noun

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. Machinery. a cam having the form of a spiral.
4. Midwestern and Western U.S. a sweet roll in spiral form, especially a cinnamon roll or piece of Danish pastry.