'Gander' definitions:

Definition of 'gander'

From: WordNet
noun
Mature male goose

Definition of 'Gander'

From: GCIDE
  • Gander \Gan"der\, n. [AS. gandra, ganra, akin to Prov. G. gander, ganter, and E. goose, gannet. See Goose.] The male of any species of goose. [1913 Webster]