- an official charged with carrying out the death sentence passed upon a condemned person
- an assassin, esp one appointed by a political or criminal organization
WordReference Random House Learner's Dictionary of American English © 2016
- an official who puts someone to death legally by capital punishment.
- an official who inflicts capital punishment in pursuance of a legal warrant.
- a person who executes an act, will, judgment, etc.
- execution + -er1 1555–65