
1) Assassin 2) Assassinator 3) Bravo 4) Cain 5) Criminal 6) Cutthroat 7) Fratricide 8) Gunman 9) Gunslinger 10) Hitman 11) Infanticide 12) Killer 13) Liquidator 14) Manslayer 15) Murderess 16) Parricide 17) Ripper 18) Torpedo 19) Triggerman
Found on
https://www.crosswordclues.com/clue/murderer

1) Assassin 2) British play 3) Cain was the first 4) Comedy thriller play 5) Criminal 6) Crook 7) Destroyer 8) Eradicator 9) Executioner 10) Exterminator 11) Felon 12) Killer 13) Liquidator 14) Macbeth 15) Malefactor 16) Manslayer 17) Outlaw 18) Possible client for Horace 19) Slaughterer 20) Slayer
Found on
https://www.crosswordclues.com/clue/murderer

• (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.
Found on
http://thinkexist.com/dictionary/meaning/murderer/
Mur'der·er (mûr'dẽr*ẽr)
noun 1. One guilty of murder; a person who, in possession of his reason, unlawfully kills a human being with premeditated malice.
2. A small cannon, formerly used for clearing a ship's decks of boarders; -- called also
murdering piece . [ O...
Found on
http://www.encyclo.co.uk/webster/M/117

A murderer was a small anti-personnel cannon constructed either or brass or iron, mounted at the bulk-heads of the fore-castle, half-deck or steerage of a ship in order to clear the decks of borders. Murderers were in use on English ships from the 15th to the 18th centuries.
Found on
http://www.probertencyclopaedia.com/browse/FYM.HTM

[
n] - a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
Found on
http://www.webdictionary.co.uk/definition.php?query=murderer
liquidator 1 manslayer noun a criminal who commits homicide (who performs the unlawful premeditated killing of another human being)
Found on
https://www.encyclo.co.uk/local/20974

a person who commits murder.
Found on
https://www.infoplease.com/dictionary/murderer
No exact match found.