Rumble seat
HISTORICAL AUTOMOBILE ELEMENT
Dicky seat; Dickie seat; Dickey Seat; Rumble Seat; Dickey seat; Mother-in-law seat
A rumble seat (American English), dicky (dickie/dickey) seat (British English), also called a mother-in-law seat, is an upholstered exterior seat which folded into the rear of a coach, carriage, or early motorcar. Depending on its configuration, it provided exposed seating for one or two passengers.