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executioner

American  
[ek-si-kyoo-shuh-ner] / ˌɛk sɪˈkyu ʃə nər /

noun

  1. an official who inflicts capital punishment in pursuance of a legal warrant.

  2. a person who executes an act, will, judgment, etc.


executioner British  
/ ˌɛksɪˈkjuːʃənə /

noun

  1. an official charged with carrying out the death sentence passed upon a condemned person

  2. an assassin, esp one appointed by a political or criminal organization

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of executioner

First recorded in 1555–65; execution + -er 1