noun

• (heraldry) A wide inverted V placed on a shield.
• (chiefly British) One of the V-shaped markings on the surface of roads used to indicate minimum distances between vehicles.
  "2009, Jamie Dunn, Truckie has a point, Sunshine Coast Daily Online, June 13, 2009. I told you that in fact they were called chevrons and it was an exercise by the transport department to teach us to stay two chevrons behind the car in front."
• (informal) A háček, a diacritical mark that may resemble an inverted circumflex.
  "It is pertinent to remember, however, that one of the greatest phoneticians, Jan Hus, used diacritics (in the form of points, which have later become chevrons in his own language), and that his alphabet is the most satisfactory for eastern Europe, since it has been officially adopted by the languages which use the Latin script."