/ Dictionary / Index D dextrosinistral: Meaning and Definition of Find definitions for: dex•tro•sin•is•tral Pronunciation: (dek"strō-sin'u-strul), [key] — adj. passing or extending from the right to the left. left-handed, but having the right hand trained for writing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dextrose dextrous Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language