元となった辞書の項目
坪
noun
A unit of areal measure, traditionally a square six 尺 (shaku, traditional Japanese unit of length, roughly equivalent to the English foot) per side, equivalent to the area covered by two standard-sized tatami mats. In modern usage, standardized at 3.306 square metres.
意味（1）
A unit of areal measure, traditionally a square six 尺 (shaku, traditional Japanese unit of length, roughly equivalent to the English foot) per side, equivalent to the area covered by two standard-sized tatami mats. In modern usage, standardized at 3.306 square metres.
