chain coral

noun

1. coral of the extinct genus Halysites, from the Ordovician and Silurian periods, consisting of oval, laterally compressed corallites united to form a chainlike structure.

Word History and Origins

Origin of chain coral¹

First recorded in 1800–10

Example Sentences

A third type is the chain coral, made of tubes joined in rows, single file like pickets of a fence.

From Project Gutenberg