a V shape or V-shaped figure, pattern, or object having the shape of a V or an inverted V, e.g.:
a sleeve badge that consists of one or more chevron-shaped stripes and indicatinges the wearer's rank
a V-shaped heraldic design with the point uppermost
(in pl) a row of horizontal black and white V-shaped stripes indicating that a road bends sharply
[Middle English from early French chevron rafter, chevron, from (assumed) vulgar Latin caprion-, caprio rafter]