Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary    
Display options
Show syllables
Show Lookup History
Double-Click Lookup
  Show Spanish support
 
Pronunciation
Wordsmyth
  Phonics
  IPA
 
Entry formats
Standard
  Classic
 
Lookup History
countersink

coun·ter·sink

countersink

parts of speech:
transitive verb, noun
part of speech: transitive verb
pronunciation: kaUn tr sIngk [or] kaUn tr sIngk
inflections: countersank, countersinking, countersinks, countersunk
definition 1: to enlarge the top portion of (a hole) so that the inserted head of a bolt, screw, or the like does not protrude above the surface.
definition 2: to insert (a bolt, screw, or the like) into a hole that has been enlarged at the top.
 
part of speech: noun
pronunciation: kaUn tr sIngk
definition 1: a tool used to countersink holes.
definition 2: a hole that has been countersunk.