From The Art and Popular Culture Encyclopedia
A toilet, plumbing fixture and disposal system primarily intended for the disposal of the human waste. Before the 20th century, toilet universally referred to personal grooming, bathing and washing combing or arranging one's hair, shaving, etc., a sense preserved today in toiletry 'personal grooming item'. Nowadays, it is mostly used to indicate a lavatory. "Toilet of the mouth", however, is still is use by oral surgeons.