1. having two shells or valves that are hinged together
Usage: biology

Examples

• Clams are bivalved mollusks that live in sandy ocean floors.
• The bivalved oyster opened slightly to filter water for food.
• Mussels are common bivalved shellfish found attached to rocks.
• The paleontologist discovered fossilized bivalved creatures in the limestone.
• Scallops are bivalved mollusks that can swim by clapping their shells together.
• The aquarium’s touch tank featured several bivalved species for visitors to examine.