ETYM Written also gasteropod.
A class of mollusks typically having a one-piece coiled shell and flattened muscular foot with a head bearing stalked eyes; SYN. univalve.
Mollusks including snails; slugs; whelks.
Any member of a very large class (Gastropoda) of mollusks. Gastropods are single-shelled (in a spiral or modified spiral form), have eyes on stalks, and move on a flattened, muscular foot. They have well-developed heads and rough, scraping tongues called radulae. Some are marine, some freshwater, and others land creatures, but all tend to inhabit damp places.
They include land snails, slugs, abalones, conches, coneshells, and cowries.