viscountess
vis·coun·tess
noun
2.
a noblewoman holding the rank of viscount in her own right
Origin
From Middle English viscountes, viscountesse, probably from Middle French viscontesse; equivalent to viscount + -ess. Doublet of vicomtesse.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.