/ Dictionary / Index D dextr-: Meaning and Definition of Find definitions for: dextr- Pronunciation: [key] var. ofbefore a vowel: dextral. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dexterous dextral Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language