COUNTERBORE

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A bit for enlarging the upper part of a hole

Synonyms:

counterbore; countersink; countersink bit

Classified under:

Nouns denoting man-made objects

Hypernyms ("counterbore" is a kind of...):

bit (the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press)

Credits