SNAIL

noun

1. Any of very many animals (either hermaphroditic or nonhermaphroditic), of the class Gastropoda, having a coiled shell.
2. (by extension) A slow person; a sluggard.
3. A spiral cam, or a flat piece of metal of spirally curved outline, used for giving motion to, or changing the position of, another part, as the hammer tail of a striking clock.

verb

1. To move or travel very slowly.