Mollusc: meaning, definitions and examples

Used as a general term for soft-bodied invertebrates, most often in scientific or educational contexts.

• The biologist was studying various types of molluscs in the coastal waters.
• Snails and slugs are examples of molluscs.

Refers to aquatic invertebrates with shells, commonly used in culinary or dietary contexts. It includes molluscs like clams and oysters, as well as crustaceans like shrimp and crabs.

• She has an allergy to shellfish and has to avoid eating shrimp and oysters.
• The restaurant specializes in fresh shellfish, serving dishes like clam chowder and lobster bisque.

An alternative spelling of 'mollusc', more commonly used in American English. It has the same general meaning and usage.

• The field guide includes detailed descriptions of mollusks found in the region.
• Clams, oysters, and mussels are all mollusks.

Refers specifically to a subgroup of molluscs that includes octopuses, squids, and cuttlefish, typically in scientific, marine biology, or educational contexts.

• Cephalopods are known for their intelligence and ability to change color.
• The aquarium has a new exhibit on cephalopods, featuring octopuses and squids.