Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. One who commits murder.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A person who commits murder.

from the GNU version of the Collaborative International Dictionary of English

  • n. One guilty of murder; a person who, in possession of his reason, unlawfully kills a human being with premeditated malice.
  • n. A small cannon, formerly used for clearing a ship's decks of boarders; -- called also murdering piece.

from The Century Dictionary and Cyclopedia

  • n. A person who commits murder.
  • n. Some destructive piece of ordnance. One kind thus named was usually placed, on shipboard, at the bulkheads of the forecastle, half-deck, and steerage, and used to prevent an enemy from boarding. Also murdering-piece.
  • n. Synonyms Manslayer, cutthroat, assassin, thug. See kill, transitive verb

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)

Etymologies

murder +‎ -er (Wiktionary)

Examples

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