tatami

Straw matting used as a floor covering especially in a Japanese house.

A floor-mat about two inches thick, made of rice-straw bound together and covered on the upper surface with matting. The edges are usually bound with cloth.

A Japanese measure of surface, that of a mat 6 shaku in length by 3 shaku in width, or nearly 6 feet by 3 feet.

straw matting, in a standard size, used as a floor covering in Japanese houses