'Wallah' definitions:

Definition of 'wallah'

From: WordNet
noun
Usually in combination: person in charge of or employed at a particular thing; "a kitchen wallah"; "the book wallah"

Definition of 'Wallah'

From: GCIDE
  • Wallah \Wal"lah\, n. (Zool.) A black variety of the jaguar; -- called also tapir tiger. [Written also walla.] [1913 Webster]