/ Dictionary / Index A administrator: Meaning and Definition of Find definitions for: ad•min•is•tra•tor Pronunciation: (ad-min'u-strā"tur), [key] — n. a person who manages or has a talent for managing. a person appointed by a court to take charge of the estate of a decedent, but not appointed in the decedent's will. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: administrator (Thesaurus) administrative leave administratrix 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