1. 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 
2. A bit for enlarging the upper part of a hole
   - counterbore, countersink bit

1. Insert (a nail or screw below the surface, as into a countersink)
   - set

Derived forms: countersank, countersunk, countersinking, countersinks

Type of: bit, bury, hole, sink

Encyclopedia: Countersink

• conformably
• conformal
• conformal projection
• conformance
• conformant
• conformation
• conformational entropy
• conformer
• conforming
• conformism
• conformist
• conformity
• confound
• confounded
• confoundedly
• confounding
• confraternity
• confront
• confrontation
• confrontational
• confrère
• Confucian
• Confucianism
• Confucianist
• Confucius