noun an asiatic bird of the genus gracula. ·see myna.
2. grackle ·noun one of several american blackbirds, of the family icteridae; 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.