Halimeda

noun

Hal·​i·​me·​da

ˌhaləˈmēdə

: a genus (family Codiaceae) of calcareous marine green algae remarkable for the jointed coenocytic thallus which in most of the species (as H. tuna) resembles a prickly-pear cactus in miniature

Word History

Etymology

New Latin, after Halimede, a nereid, from Greek Halimēdē

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