gather 'round, dear boys and girls, the word for today is macellarious.
macellarious is an obsolete and incredibly rare adjective pertaining to that which is like a slaughterhouse, butcher's, or the older senses of shambles: meat market, meat vendor's stall, place of great destruction and carnage, etc.
aside from dictionaries and glossaries, some very old, i have not been able to find a single example of this word in natural (ie. non-contemporary, non-exemplary) use. thankfully, the oxford english dictionary says it exists too, and that's much better than i can do.
macellarious is most recently from latin (unfortunately), with earlier sources in greek and an older, possibly semitic origin. if anyone knows a germanic equivalent, i would be most desirous to hear of it. there is, of course, slaughterous with its root in old norse (slátr), but this describes more accurately an act or method (such as slaughterous rage) instead of the place where such festivities would take place. on that note, and appropriately so, i have to go to work now.
as an added bonus, the very strange and entirely disturbing picture for today is
this. if you don't get it, don't look to me for an explanation. some words just shouldn't be used in the same phrase in that order.
[tasty food: do not eat!]