noun
tatami facing; surface of a tatami mat
Refers to the woven rush covering on the top surface of a tatami mat, as opposed to the core or the edging.
この畳表は上質ない草で編まれている。
This tatami facing is woven from high-quality rush grass.
Compound of 畳 (tatami, straw mat) and 表 (surface, facing). The reading おもて for 表 is the native Japanese word for 'surface' or 'front'.