an·​tho·​cy·​a·​thus | \ -ˈsīəthəs\
plural anthocyathi\ -​ˌthī \

Definition of anthocyathus

: the oral disk that is pinched off from the basal portion in some solitary corals (as members of the genus Fungia) and that enlarges to become a new zooid

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History and Etymology for anthocyathus

New Latin, from anth- entry 1 + cyathus

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