So″fa (?), n.; pl.Sofas (#). [Ar. soffah, from saffa to dispose in order: cf. F. sofa, It. sofà.] A long seat, usually with a cushioned bottom, back, and ends; — much used as a comfortable piece of furniture.
Let fall the curtains, wheel the sofa round. Cowper.
Sofa bed, a sofa so contrived that it may be extended to form a bed; — called also sofa bedstead.