田舎間 いなかま Meanings Noun standard measurement for the distance between pillars in eastern Japan (approx. 182 cm) See also: 京間 (きょうま). Kanto-size tatami mat (approx. 176 cm by 88 cm) See also: 京間 (きょうま). Kanji 田 rice field 舎 building 間 interval. Read as ま. Jinuma: Japanese Dictionary · Word lists