'Fauna' definitions:

Definition of 'fauna'

From: WordNet
noun
All the animal life in a particular region or period; "the fauna of China"; "the zoology of the Pliocene epoch" [syn: fauna, zoology] [ant: botany, flora, vegetation]
noun
A living organism characterized by voluntary movement [syn: animal, animate being, beast, brute, creature, fauna]

Definition of 'Fauna'

From: GCIDE
  • Fauna \Fau"na\, n. [NL.: cf. F. faune. See Faun.] (Zool.) The animals of any given area or epoch; as, the fauna of America; fossil fauna; recent fauna. [1913 Webster]

Synonyms of 'fauna'

From: Moby Thesaurus