Answer:

arse

Answer	Crossword Clue
ARSE	Seat in the British Parliament?
ARSE	Chelsea buns?
ARSE	Cheeky thing, in England?

ARSE	Stones' bottom?
ARSE	... about (waste time, in the U.K.)
ARSE	Can, in Canterbury
ARSE	Bath bottom?
ARSE	Rear in London
ARSE	A politician is an ....": Cummings
ARSE	End of a pulley block
ARSE	Oxford bottom

ARSE	British sitter?
ARSE	Seat at Buckingham Palace?
ARSE	Bum
ARSE	Posterior of old
ARSE	Fool in Soho
ARSE	Posterior, of old
ARSE	Keister
ARSE	Bottom of Britain?

ARSE	British bottom
ARSE	The end of the British monarchy?
ARSE	Seat in Parliament?
ARSE	British derriere
ARSE	Derry derriere