Source : Webster's Revised Unabridged Dictionary (1913)

Armiger \Ar"mi*ger\, n. [L. armiger armor bearer; arma arms +
   gerere to bear.]
   Formerly, an armor bearer, as of a knight, an esquire who
   bore his shield and rendered other services. In later use,
   one next in degree to a knight, and entitled to armorial
   bearings. The term is now superseded by esquire. --Jacob.

Source : WordNet®

armiger
     n 1: a squire carrying the armor of a knight [syn: {armor-bearer}]
     2: a nobleman entitled to bear heraldic arms