'Nullah' definitions:

Definition of 'nullah'

From: WordNet
noun
A ravine or gully in southern Asia

Definition of 'Nullah'

From: GCIDE
  • Nullah \Nul"lah\, n. [Hind. n[=a]l[=a], fr. Skr. n[=a]la tube.] A water course, esp. a dry one; a gully; a gorge; -- orig. an East Indian term. --E. Arnold. [Webster 1913 Suppl.]