Definition of john noun from the Oxford Advanced Learner's Dictionary



BrE BrE//dʒɒn//
; NAmE NAmE//dʒɑːn//
(informal, especially North American English)
jump to other results
a toilet Word Originearly 20th cent. (meaning a prostitute's client): from the given name John, used from late Middle English as a form of address to a man, or to denote various occupations, including that of priest (late Middle English) and policeman (mid 17th cent.).