/ Dictionary / Index B bay salt: Meaning and Definition of Find definitions for: bay' salt" Pronunciation: [key] salt derived by evaporating seawater in the sun. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bay rum tree bay scallop Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language