hospiticides

Noun

hospiticide (countable and uncountable, plural hospiticides)

1. (rare) One who kills his guest or host.
   • Armed with the weapon which was destined to destroy himself, Imnaz sprang down the ladder, — found the door, and, emerging from the abode of crime, sought a more secure resting place, leaving his hostess to discover, with return of day, in whose blood were imbrued the hands of an hospiticide.1837, Edward Smallwood, Manuella, the Executioner’s Daughter ; A Story of Madrid, volume II, pages 275–276
2. (rare) The act of a guest killing his host or vice versa, or an instance thereof.
   • Anniversary of the Massacre of the Prado — the Defeat of Quesada — Murderous Reprisals — Hospiticides.1837, Edward Smallwood, Manuella, the Executioner’s Daughter ; A Story of Madrid, volume II, page 261