Edit request from Scanrod 21 June 2010 In the Ass article page this statement appears Arse British English spelling of the colloquialism for buttocks The term arse is not a colloquialism although it is not now in polite use Concise Oxford Dictionary Collins dictionary says taboo Old English Other terms are used in this context in UK English fundament anus buttocks rump The word is also used to mean bottom as in arse end e g of the town The expression in the article since it is expressly meant to contrast with the US English usage is probably best written simply as Arse British English spelling of the word for buttocks not now in polite use