The Collaborative International Dictionary of English v.0.48:
Settle \Set"tle\, n. [OE. setel, setil, a seat, AS. setl: akin
to OHG. sezzal, G. sessel, Goth. sitls, and E. sit.
[root]154. See Sit.]
1. A seat of any kind. [Obs.] "Upon the settle of his
2. A bench; especially, a bench with a high back.
3. A place made lower than the rest; a wide step or platform
lower than some other part.
And from the bottom upon the ground, even to the
lower settle, shall be two cubits, and the breadth
one cubit. --Ezek. xliii.
Settle bed, a bed convertible into a seat. [Eng.]