/ Dictionary / Index B basal ridge: Meaning and Definition of Find definitions for: ba'sal ridge' Pronunciation: [key] — Dentistry. Dentistry. a-shaped ridge at the base of the posterior surface of the crown of a tooth. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. basal metabolism basalt Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language