Bivalve (noun)

A mollusk, such as an oyster, clam, or mussel, that has two hinged shells.

Origin:

Derived from the latin word bivalvus, meaning "having two valves," bivalve refers to mollusks that have two hinged shells.

Examples:

1. Oysters are a type of bivalve that can be found in many oceans around the world.
2. Clams are a popular bivalve that are harvested for food and used in a variety of dishes.
3. Mussels are a type of bivalve that are often steamed and served with white wine and garlic.
4. Scallops are a type of bivalve that have a distinctive round shape and a delicate flavor.
5. Bivalves play a crucial role in filtering water and helping to maintain the health of marine ecosystems.