This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

Of or pertaining to a carnifex or executioner, or a butcher.

"He was happy enough to seize the opportunity to relieve himself and handed over his wide-bladed carnificial sword (which I in theory was not supposed to touch) and his fuligin cloak (which I was forbidden to wear, though I was already taller than most of the journeymen) so that from a distance it would appear that there had been no substitution."