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[vahys-roi] /ˈvaɪs rɔɪ/
a person appointed to rule a country or province as the deputy of the sovereign:
the viceroy of India.
a brightly marked American butterfly, Limenitis archippus, closely mimicking the monarch butterfly in coloration.
1515-25; < Middle French, equivalent to vice- vice- + roy king < Latin rēgem, accusative of rēx
Related forms
viceroyship, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for viceroy
  • And tasty viceroy butterflies are safe from birds because they resemble monarchs, which are unpalatable.
  • The monarch butterfly serves as a model for its mimic, the viceroy butterfly.
  • The viceroy butterfly is named and designated as the state butterfly.
  • viceroy butterflies closely resemble monarchs, but are not toxic since the caterpillars do not eat milkweed.
  • If a defendant lost the viceroy's interest, it was usually the end of the case.
British Dictionary definitions for viceroy


a governor of a colony, country, or province who acts for and rules in the name of his sovereign or government related adjective viceregal
Derived Forms
viceroyship, noun
Word Origin
C16: from French, from vice³ + roy king, from Latin rex
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for viceroy

person ruling as representative of a sovereign, 1520s, from Middle French vice-roy, from Old French vice- "deputy" (see vice-) + roi "king," from Latin regem (nominative rex); see rex. The species of American butterfly so called from 1881.

Online Etymology Dictionary, © 2010 Douglas Harper
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Encyclopedia Article for viceroy

one who rules a country or province as the representative of his sovereign or king and who is empowered to act in the sovereign's name. Viceroy (virrey) was the title given to the principal governors of Spain's American colonies, as well as to the governors of the "kingdoms" (reinos) of peninsular Spain proper (e.g., Aragon, Valencia)

Learn more about viceroy with a free trial on
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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