Source : Webster's Revised Unabridged Dictionary (1913)

Chevron \Chev"ron\, n. [F., rafter, chevron, from ch['e]vre
   goat, OF. chevre, fr. L. capra she-goat. See {Cheveril}.]
   1. (Her.) One of the nine honorable ordinaries, consisting of
      two broad bands of the width of the bar, issuing,
      respectively from the dexter and sinister bases of the
      field and conjoined at its center.

   2. (Mil.) A distinguishing mark, above the elbow, on the
      sleeve of a non-commissioned officer's coat.

   3. (Arch.) A zigzag molding, or group of moldings, common in
      Norman architecture.

   {Chevron bones} (Anat.), The V-shaped subvertebral arches
      which inclose the caudal blood vessels in some animals.

Source : WordNet®

chevron
     n 1: V-shaped sleeve badge indicating military rank and service;
          "they earned their stripes in Kuwait" [syn: {stripe}, {stripes},
           {grade insignia}]
     2: an inverted V-shaped charge