Counterbore is a 11 letter word which starts with the letter C and ends with the letter E for which we found 3 definitions.
Definition |
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(n.) A flat-bottomed cylindrical enlargement of the mouth of a hole usually of slight depth as for receiving a cylindrical screw head. |
(n.) A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole or for forming a flat-bottomed recess at its mouth. |
(v. t.) To form a counterbore in by boring turning or drilling; to enlarge as a hole by means of a counterbore. |