Définitions
1.NounA thin mattress of tufted cotton or similar material, placed on a floor or on a raised, foldable frame as a bed.
2.NounA round cushion used for Zen meditation, traditionally made of woven bulrush leaves.
3.NounA specific kind of sofa-bed, with a fixed cushion that forms a mattress when folded down and a sofa when folded up.