/ Dictionary / Index G graysby: Meaning and Definition of Find definitions for: grays•by Pronunciation: (grāz'bē), [key] — pl. -bies. a serranid fish, Epinephelus cruentatus, inhabiting warm waters of the western Atlantic Ocean, having a reddish-gray body marked with vermilion spots. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gray power gray scale Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language