帰巣 きそう Also written きすう Meanings Noun, する verb, Intransitive homing (instinct) Kanji 帰 return. Read as キ. 巣 nest. Read as ソウ. Words containing 帰巣 帰巣本能 (きそうほんのう) homing instinct 帰巣性 (きそうせい) homing instinct Jinuma: Japanese Dictionary · Word lists