穴居 Traditional form: 穴居 Pinyin (reading): xuéjū Definitions: to live in a cave (of animals) to be of burrowing habit Characters: 穴 - cave, den, hole 居 - to live, to reside; to dwell; to sit Traditional characters: 穴 - cave, den, hole 居 - to live, to reside; to dwell; to sit