'Vesper sparrow' definitions:

Definition of 'vesper sparrow'

From: WordNet
noun
Common North American finch noted for its evening song [syn: vesper sparrow, grass finch, Pooecetes gramineus]

Definition of 'Vesper sparrow'

From: GCIDE
  • Vesper \Ves"per\, a. Of or pertaining to the evening, or to the service of vespers; as, a vesper hymn; vesper bells. [1913 Webster]
  • Vesper sparrow, the grass finch. See under Grass. [1913 Webster]