/ Dictionary / Index S stem duchy: Meaning and Definition of Find definitions for: stem' duch"y Pronunciation: [key] (in medieval Germany) any of the independent duchies corresponding in part to areas of tribal settlement and preserving some elements of tribal social structure. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stem cell stem-end rot Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language