窑洞 Traditional form: 窯洞 Pinyin (reading): yáodòng Definitions: yaodong (a kind of cave dwelling in the Loess Plateau in northwest China) CL:孔 (kǒng) Characters: 窑 - kiln, oven; pit, coal mine 洞 - cave, grotto, hole, ravine Traditional characters: 窯 - kiln, oven; pit, coal mine 洞 - cave, grotto, hole, ravine