/ Dictionary / Index G grass finch: Meaning and Definition of Find definitions for: grass' finch" Pronunciation: [key] any of several Australian weaverbirds, esp. of the genus Poephila. the vesper sparrow. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: grassfinch (Thesaurus) grass family grass-green Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language