Felos-de-se

from The Collaborative International Dictionary of English v.0.48
Felo-de-se \Fe"lo-de-se`\, n.; pl. {Felos-de-se}. [LL. felo, E.
   felon + de of, concerning + se self.] (Law)
   One who deliberately puts an end to his own existence, or
   loses his life while engaged in the commission of an unlawful
   or malicious act; a suicide. --Burrill.
   [1913 Webster]
    

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