乳头 rǔtóu nipple Definitions Defs Origin Strokes Stroke Words Sentences Sents 舌乳头 shérǔtóu papillae the small, nipple-like structures on the upper surface of the tongue that provide its characteristic rough texture乳头瘤 rǔtóuliú papilloma 视神经乳头 shìshénjīngrǔtóu optic disc optic disc (terminal of the optic nerve on the retina)
