視交叉 しこうさ Also written 視交差 Meanings Noun optic chiasm; optic chiasma Kanji 視 sight. Read as シ. 交 exchange. Read as コウ. 叉 prong. Read as サ. Words containing 視交叉 視交叉上核 (しこうさじょうかく) suprachiasmatic nucleus Word lists Anatomy Jinuma: Japanese Dictionary · Word lists