plural noun

Definition of Tetracoralla

in some classifications
: a subclass or other group of Paleozoic corals in which the septa when present are usually in multiples of four and of which many are solitary and cornucopia-shaped and sometimes attain large size

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History and Etymology for Tetracoralla

New Latin, from tetra- + Latin coralla

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Cite this Entry

“Tetracoralla.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Tetracoralla. Accessed 19 Sep. 2020.

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