countersink
verb (used with object)
to enlarge the upper part of (a cavity), especially by chamfering, to receive the cone-shaped head of a screw, bolt, etc.
countersinks
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present tense formof countersink (3rd person singular).present tense
Used to describe things happening now or regularly.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In one corner of the large basement was a good-sized workbench, lighted by two windows, and equipped with several neatly-arranged shelves, which now held a divers collection of chisels, bits, countersinks, etc.
From Around the World in Ten Days by Chelsea Curtis Fraser
Then there are punches, broaches, drills, calipers, countersinks, files, etc., etc.
From Scientific American Supplement, No. 664, September 22,1888 by Various
CalipersToList Files for various descriptions, countersinks, frame and hack saws.
From Practical Mechanics for Boys by James Slough Zerbe
The smaller sizes of countersinks are sometimes made as in Fig.
From Modern Machine-Shop Practice, Volumes I and II by Joshua Rose
