1. a shellfish with two hinged shells that lives in sand or mud

1. to dig for clams
2. to become silent or refuse to talk
Usage: informal

Examples

• We ordered fried clams at the seafood restaurant.
• The clam buried itself deeper in the wet sand.
• They went clamming at low tide on the beach.
• She clammed up when the police asked her questions.
• Fresh clams are delicious in chowder.
• He clams every weekend during the summer.
• The witness clammed up during cross-examination.