栉水母 zhìshuǐmǔ comb jelly Origin Definitions Defs Strokes Stroke Words Sentences Sents 栉 櫛 zhì ctenidium a comb-like respiratory organ (gills) in mollusks水母 shuǐmǔ noun jellyfish jellyfish; any of various gelatinous marine coelenterates, including both Hydrozoa (hydromedusae) and Scyphozoa (true jellyfish)