Those ranks of society, esquires and above, who were entitled to bear a coat of arms. (Waugh, Scott. England in the Reign of Edward III, 237)
a person who is entitled to wear Arms is an Armiger (why not Armidger?!), a squire who carried the armour of a medieval knight. Latin: armour bearer,1500's Latin: a Squire. The Squire was a landed person who owed allegiance to, and attended a knight on military campaigns.
of or pertaining to an armiger or the heraldic rights associated with being an armiger.
Having an award of arms or better; the adjectival form of armiger.