筆界 ひつかい Meanings Noun boundary (e.g. of property) See also: 境界 (きょうかい). Kanji 筆 brush. Read as ヒツ. 界 realm. Read as カイ. Words containing 筆界 筆界特定制度 (ひつかいとくていせいど) (Japanese) land registration system Word lists Law Jinuma: Japanese Dictionary · Word lists