0 any animal that has a soft body, no spine, and is often covered with a shell. Many molluscs live in water. -- mollusco
Oysters and snails are molluscs. Le ostriche e le chiocciole sono molluschi.
1 a type of sea or land animal that has a soft body and is usually covered by a hard shell, for example a snail, slug, octopus, or shellfish. -- mollusco