The back side of an estate: the backyard and outbuildings behind a main house, especially (UK dialect, euphemistic) an outhouse.
Used other than figuratively or idiomatically: see back, side.
The reverse or opposite of anything.
A person's buttocks.
Used other than figuratively or idiomatically: see back, side.
Approaching an obstacle backward
A long communal housing of the Iroquois and some other American Indians, the Malaysians, the Indonesians, the Vikings, and many other peoples.