/ Dictionary / Index A approximal: Meaning and Definition of Find definitions for: ap•prox•i•mal Pronunciation: (u-prok'su-mul), [key] — adj. Anat. near or adjacent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. approx. approximant Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language