視神経交叉 ししんけいこうさ Also written 視神経交差 Meanings Noun optic chiasm; optic chiasma See also: 視交叉 (しこうさ). Kanji 視 sight. Read as シ. 神 god. Read as シン. 経 pass. Read as ケイ. 交 exchange. Read as コウ. 叉 prong. Read as サ. Word lists Anatomy Jinuma: Japanese Dictionary · Word lists