society > inhabiting and dwelling > inhabited place > a building > parts of building > [noun] > projecting subdivision > at rear
back-jamb1833
tunnel-back1957
1833 M. ScottTom Cringle's Log xxiii, in Blackwood's Edinb. Mag. Aug. 154/2 A very handsome dining-room, situated in what I believe is called a back jamb, a sort of outrigger to the house.