1. [n]  any feature that is regarded as a sign of status (a particular power or quality or rank); "wearing a tie was regarded as a badge of respectability"
2. [n]  an emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.); "they checked everyone's badge before letting them in"
3. [v]  put a badge on; "The workers here must be badged"

BADGE is a 5 letter word that starts with B.

1. \Badge\, n. [LL. bagea, bagia, sign, prob. of German
   origin; cf. AS. be['a]g, be['a]h, bracelet, collar, crown, OS
   b?g- in comp., AS. b?gan to bow, bend, G. biegen. See {Bow}
   to bend.]
   1. A distinctive mark, token, sign, or cognizance, worn on
      the person; as, the badge of a society; the badge of a
      policeman. ``Tax gatherers, recognized by their official
      badges. '' --Prescott.
   2. Something characteristic; a mark; a token.
            Sweet mercy is nobility's true badge. --Shak.
   3. (Naut.) A carved ornament on the stern of a vessel,
      containing a window or the representation of one.
   

2. \Badge\, v. t.
   To mark or distinguish with a badge.