Something rigid that holds fast or binds things together; a piece of wood or metal, used to hold two or more pieces together.
- Any of various devices used to join, grip, support, or compress mechanical or structural parts.
- Any of various tools with opposing, often adjustable sides or parts for bracing objects or holding them together.
- To fasten, grip, or support with or as if with a clamp.
- To establish by authority; impose: clamped a tax on imports.
- clamp down To become more strict or repressive; impose controls: clamping down on environment polluters.