'Sumatran' definitions:

Definition of 'Sumatran'

(from WordNet)
adjective
Of or relating to the island of Sumatra or its inhabitants; "Sumatran cigars"
noun
A native or inhabitant of Sumatra

Definition of 'Sumatran'

From: GCIDE
  • Sumatran \Su*ma"tran\, a. Of or pertaining to Sumatra or its inhabitants. -- n. A native of Sumatra. [1913 Webster]