Source : Webster's Revised Unabridged Dictionary (1913)

Blood-boltered \Blood"-bol`tered\, a. [Blood + Prov. E. bolter
   to mat in tufts. Cf. {Balter}.]
   Having the hair matted with clotted blood. [Obs. & R.]

         The blood-boltered Banquo smiles upon me. --Shak.