Source : Webster's Revised Unabridged Dictionary (1913)

Jazerant \Jaz"er*ant\, n. [OF. jacerant, jaseran, Sp. jacerina,
   cota jacerina, fr. jazarino Algerine, fr. Ar. jaz[=a][=i]r
   Algiers.]
   A coat of defense made of small plates of metal sewed upon
   linen or the like; also, this kind of armor taken generally;
   as, a coat of jazerant.