Source : Webster's Revised Unabridged Dictionary (1913)

Chamfer \Cham"fer\, n. [See {Chamfron}.]
   The surface formed by cutting away the arris, or angle,
   formed by two faces of a piece of timber, stone, etc.

Chamfer \Cham"fer\, v. t. [imp. & p. p. {Chamfered}; p. pr. &
   vb. n. {Chamfering}. ]
   1. (Carp.) To cut a furrow in, as in a column; to groove; to
      channel; to flute.

   2. To make a chamfer on.

Source : WordNet®

chamfer
     n : two surfaces meeting at an angle different from 90 degrees
         [syn: {bevel}, {cant}]

chamfer
     v 1: cut a bevel on; shape to a bevel; "bevel the surface" [syn:
          {bevel}]
     2: cut a furrow into a columns [syn: {furrow}, {chase}]