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zoantharian

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noun zo·an·thar·i·an \ˌzō-ən-ˈther-ē-ən\

Definition of zoantharian

  1. :  any of a subclass (Hexacorallia syn. Zoantharia) of anthozoans having tentacles or septa or both that are typically six or a multiple of six in number and including most of the recent corals and sea anemones

zoantharian adjective


Origin of zoantharian

ultimately from zo- + Greek anthos flower — more at anthology


First Known Use: 1887


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