'Grackle' definitions:

Definition of 'grackle'

(from WordNet)
noun
Glossy black Asiatic starling often taught to mimic speech [syn: hill myna, Indian grackle, grackle, Gracula religiosa]
noun
Long-tailed American blackbird having iridescent black plumage [syn: grackle, crow blackbird]

Definition of 'Grackle'

From: GCIDE
  • Grackle \Grac"kle\, n. [Cf. L. graculus jackdaw.] (Zool.) (a) One of several American blackbirds, of the family Icterid[ae]; as, the rusty grackle ({Scolecophagus Carolinus}); the boat-tailed grackle (see Boat-tail); the purple grackle (Quiscalus quiscula, or {Q. versicolor}). See Crow blackbird, under Crow. (b) An Asiatic bird of the genus Gracula. See Myna. [1913 Webster]