乌贼骨 wūzéigǔ cuttlebone Definitions Defs Origin Strokes Stroke Words Sentences Sents 乌贼 烏賊 wūzéi cuttlefish A sea creature with a flattened body, ten arms with suckers, and an internal ink sac used for defense; also called 墨鱼 mòyú.骨 gǔ noun bone bone; the hard tissue that forms the skeleton of humans and vertebrate animals