灯塔水母 dēngtǎshuǐmǔ immortal jellyfish Origin Definitions Defs Strokes Stroke Words Sentences Sents 灯塔 燈塔 dēngtǎ noun lighthouse a tower with a strong light at the top that guides ships at sea and warns them of danger水母 shuǐmǔ noun jellyfish jellyfish; any of various gelatinous marine coelenterates, including both Hydrozoa (hydromedusae) and Scyphozoa (true jellyfish)