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regicide

[rej-uh-sahyd] /ˈrɛdʒ əˌsaɪd/
noun
1.
the killing of a king.
2.
a person who kills a king or is responsible for his death, especially one of the judges who condemned Charles I of England to death.
Origin
1540-1550
1540-50; < Latin rēg-, stem of rēx king + -i- + -cide
Related forms
regicidal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for regicides

regicide

/ˈrɛdʒɪˌsaɪd/
noun
1.
the killing of a king
2.
a person who kills a king
Derived Forms
regicidal, adjective
Word Origin
C16: from Latin rēx king + -cide
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 regicides

regicide

n.

1540s, "man who kills a king," formed from Latin rex (genitive regis) "king" (see regal) on model of suicide. Meaning "crime of killing a king" is from c.1600.

Online Etymology Dictionary, © 2010 Douglas Harper
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