Countersink Definition
kountər-sĭngk
countersinking, countersinks, countersunk
noun
A hole with the top part enlarged so that the head of a screw or bolt will lie flush with or below the surface.
American Heritage
A bit for countersinking holes.
Webster's New World
A countersunk hole.
Webster's New World
Synonyms:
- countersink bit
- counterbore
verb
countersinking, countersinks, countersunk
To enlarge the top part of (a hole in metal, wood, etc.) so that the head of a bolt, screw, etc. will fit flush with or below the surface.
Webster's New World
To make a countersink on or in.
American Heritage
To sink the head of (a bolt, screw, etc.) into such a hole.
Webster's New World
To create such a conical recess.
To countersink a hole for a screw.
Wiktionary
To cause to sink even with or below the surface.
To countersink a screw or bolt into woodwork.
Wiktionary
Synonyms:
Countersink Is Also Mentioned In
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