chamfer

[cham-fer]
noun
1.
a cut that is made in wood or some other material, usually at a 45° angle to the adjacent principal faces. Compare bevel.
verb (used with object)
2.
to make a chamfer on or in.

Origin:
1595–1605; back formation from chamfering (taken as chamfer + -ing1) < Middle French chamfrein, variant of chanfreint beveled edge, orig. past participle of chanfraindre to bevel, equivalent to chant edge (< Latin canthus; see cant2) + fraindre to break < Latin frangere; see frangible

chamferer, noun
unchamfered, adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
chamfer (ˈtʃæmfə)
 
n
1.  Compare bevel a narrow flat surface at the corner of a beam, post, etc, esp one at an angle of 45°
 
vb
2.  to cut such a surface on (a beam, etc)
3.  another word for chase
 
[C16: back formation from chamfering,from Old French chamfrein, from chant edge (see cant²) + fraindre to break, from Latin frangere]
 
'chamferer
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

chamfer
1601, "small groove cut in wood or stone," from M.Fr. chanfraindre (Mod.Fr. chanfreiner), pp. of chanfraint, second element from L. frangere "to break;" perhaps the whole word is cantum frangere "to break the edge." Meaning "bevelled surface of a square edge or corner" is attested from c.1840, of uncertain
connection to the other sense.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
Chamfer or round by grinding or filing all sharp exposed metal edges.
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