Wordnet 3.0
ADJECTIVE (1)
1. 
 of or relating to heraldry or heraldic arms; 
- Example: "armorial bearing"
The Collaborative International Dictionary of English v.0.48:
Armorial \Ar*mo"ri*al\, a. [F. armorial, fr. armoiries arms,
   coats of arms, for armoieries, fr. OF. armoier to paint arms,
   coats of arms, fr. armes, fr. L. arma. See Arms, Armory.]
   Belonging to armor, or to the heraldic arms or escutcheon of
   a family.
   [1913 Webster]
         Figures with armorial signs of race and birth.
                                                  --Wordsworth.
   [1913 Webster]
   Armorial bearings. See Arms, 4.
      [1913 Webster] Armoric
WordNet (r) 3.0 (2006):
armorial
    adj 1: of or relating to heraldry or heraldic arms; "armorial
           bearing"