Search Result for "tigris": 
Wordnet 3.0

NOUN (1)

1. an Asian river; a tributary of the Euphrates River;
[syn: Tigris, Tigris River]



WordNet (r) 3.0 (2006):

Tigris
    n 1: an Asian river; a tributary of the Euphrates River [syn:
         Tigris, Tigris River]