| Greyhound (n.) A slender, graceful breed of dogs, remarkable for keen sight and swiftness. It is one of the oldest varieties known, and is figured on the Egyptian monuments. Thesaurus Entries antelope, arrow, blue darter, blue streak, cannonball, courser, dart, eagle, electricity, express train, flash, gazelle, greased lightning, hare, jet plane, light, lightning, mercury, quicksilver, rocket, scared rabbit, shot, streak, streak of lightning, striped snake, swallow, thought, thunderbolt, torrent, wind |