0 a type of mattress, originally from Japan, that can be rolled up, or a bed or seat made from such a mattress
1 a mattress (= large, flat, firm bag filled with soft material and used for sleeping on) which is used on the floor or on a wooden frame that can often be folded to make a seat:
a futon sofa
The room in which I slept belonged to a part of the house which was of great age, but by my futon there was laid an electric torch.
When the children in futon noticed that a guest had come, one emerged from under a mosquito net.
Many piled carts high with household items such as pots, futons and clothes.
They are all the same floor layout with two sleeping areas, a bathroom with a shower, and a living area with a provided futon.
A futon differs from a sofabed, although sofa beds using futon mattresses are common.
Although a few important possessions may have been displayed, available storage was frequently taken up by things like futons that were folded away each morning.
He spends a day and night wrapped tightly in a blanket with it on his futon, despite it being the peak of summer.
Mattresses may also be filled with air or water, or a variety of natural fibers, such as in futons.