hydrophyllium

noun

hy·​dro·​phyl·​li·​um

plural hydrophyllia

-ēə

: one of the leaflike organs regarded as greatly modified zooids that cover other zooids of many siphonophores

Word History

Etymology

New Latin, from hydr- + -phyllium (from Greek phyllion small leaf, diminutive of phyllon leaf) (to blossom)

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