/ Dictionary / Index D demesne: Meaning and Definition of Find definitions for: de•mesne Pronunciation: (di-mān', -mēn'), [key] — n. possession of land as one's own: land held in demesne. an estate or part of an estate occupied and controlled by, and worked for the exclusive use of, the owner. land belonging to and adjoining a manor house; estate. the dominion or territory of a sovereign or state; domain. a district; region. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: demesne (Thesaurus) Demerol Demeter Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language