Thanks stevie gee.
Ossa at 19d is mount more than 1d. If 1 d is bent then, more than bent?
Chambers defines Butchery as a slaughterhouse.
The Chambers crossword dictionary gives butchery as the 8 letter answer to shambles. So take your pick.
Post #9 says that 30a could be an acronym.
No idea what that would be,
Smee sounds good but how to explain it from the clue?