Snail is a common term used to refer to a slow-moving, land-dwelling mollusk with a spiral-shaped shell. However, there are various synonyms for this word such as slugs, gastropods, and helix. Slugs are similar creatures to snails, but they don't have shells. Gastropods are a broader term that includes both snails and slugs. Helix is a Latin word which means "spiral", and is the name of the genus that includes the most commonly known snail species. Additionally, there are several species-specific names for snails such as garden snails, Roman snails, and banded snails. Overall, there are numerous ways to describe these fascinating creatures - from the scientific to the more colloquial.