矩形 くけい Also written さしがた Meanings Noun, の-adjective rectangle See also: 長方形 (ちょうほうけい). Kanji 矩 ruler; carpenter's square. Read as ク. 形 shape. Read as ケイ. Words containing 矩形 矩形波 (くけいは) square wave Jinuma: Japanese Dictionary · Word lists