/ Dictionary / Index S Saginaw Bay: Meaning and Definition of Find definitions for: Sag'inaw Bay' Pronunciation: [key] — n. an arm of Lake Huron, off the E coast of Michigan. 60 mi. (97 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Saginaw Sagitta Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language