Countersink and Trephine

Countersink noun - A hole (usually in wood) with the top part enlarged so that a screw or bolt will fit into it and lie below the surface.

Trephine and countersink are semantically related in tool for boring topic. In some cases you can use "Trephine" instead a noun "Countersink".

Nearby Word: countersinking

Trephine noun - A surgical instrument used to remove sections of bone from the skull.

Countersink and trephine are semantically related in tool for boring topic. You can use "Countersink" instead a noun "Trephine".