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[cham-fer] /ˈtʃæm fər/
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)
to make a chamfer on or in.
Origin of chamfer
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
Related forms
chamferer, noun
unchamfered, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for chamfered
Historical Examples
  • The latter are chamfered and moulded rudely with two hollows.

  • Or one corner may be chamfered with the chisel, as shown in Fig. 29.

    The Boy Craftsman A. Neely Hall
  • The center post should be chamfered at the top to relieve the abruptness.

  • The vaulting ribs have the simplest of all profiles—that of a chamfered beam.

    Mornings in Florence John Ruskin
  • The corner of a block of wood is very often chamfered, when planing end-wood, to prevent the wood from splintering.

    The Boy Craftsman A. Neely Hall
  • The uppermost stage is chamfered at the quoins, leaving a small off-set at the level of the next.

  • Practically all cylinders are chamfered at the lower end to make insertion of piston rings easier.

    Aviation Engines

    Victor Wilfred Pag
  • The edges are often chamfered or the angles ornamented with slender shafts.

  • The end grain is usually protected by nailing on a strip of timber, chamfered on both edges.

    Woodwork Joints William Fairham
  • The arcade has pointed, chamfered arches, supported on octagonal pillars, and there is a small clerestory.

    Somerset G.W. Wade and J.H. Wade
British Dictionary definitions for chamfered


a narrow flat surface at the corner of a beam, post, etc, esp one at an angle of 45° Compare bevel (sense 1)
verb (transitive)
to cut such a surface on (a beam, etc)
another word for chase2 (sense 4)
Derived Forms
chamferer, noun
Word Origin
C16: back formation from chamfering,from Old French chamfrein, from chant edge (see cant²) + fraindre to break, from Latin frangere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for chamfered

1560s, "channelled, fluted," from the verb form of chamfer (v.); see chamfer (n.)). Meaning "bevelled off" is from c.1790.



c.1600, "small groove cut in wood or stone," from Middle French chanfraindre (15c., Modern French chanfreiner), past participle of chanfraint. The second element seems to be from Latin frangere "to break" (see fraction); 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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