'Sumerian' definitions:

Definition of 'Sumerian'

(from WordNet)
adjective
Of or relating to ancient Sumer or its inhabitants
noun
A member of a people who inhabited ancient Sumer

Definition of 'Sumerian'

From: GCIDE
  • Sumerian \Su*me"ri*an\, a. [Written also Sumirian.] Of or pertaining to the region of lower Babylonia, which was anciently called Sumer, or its inhabitants or their language. [Webster 1913 Suppl.]

Definition of 'Sumerian'

From: GCIDE
  • Sumerian \Su*me"ri*an\, n. [Written also Sumirian.] A native of lower Babylonia, anciently called Sumer. [Webster 1913 Suppl.]