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Webster 1913 Edition
Marchioness
Mar′chion-ess
,Noun.
[LL.
marchionissa
, fr. marchio
a marquis. See Marquis
.] The wife or the widow of a marquis; a woman who has the rank and dignity of a marquis.
Spelman.
Webster 1828 Edition
Marchioness
M`ARCHIONESS
,Noun.