Source : Webster's Revised Unabridged Dictionary (1913)

Oxamide \Ox*am"ide\, n, [Oxalic + amide.] (Chem.)
   A white crystalline neutral substance ({C2O2(NH2)2)} obtained
   by treating ethyl oxalate with ammonia. It is the acid amide
   of oxalic acid. Formerly called also {oxalamide}.