Marchioness
Pronunciation : Mar"chio*ness
Part of Speech : n.
Etymology : [LL. marchionissa, fr. marchio a marquis. See Marquis.]
Definition : Defn: The wife or the widow of a marquis; a woman who has the rank and dignity of a marquis. Spelman.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder