Chilidium

Origin

From chil(o)-, alternative form of .

Full definition of chilidium

Noun

1. (zoology) A plate covering a portion of the dorsal valve in certain brachiopods.
• 1895, Charles Schuchert, A Synopsis of American Fossil Brachiopoda Including Bibliography and Synonymy, The chilidium is a convex plate often covering the cardinal process of the dorsal valve in the Protremata.
• 1938, Edward Oscar Ulrich, Ozarkian and Canadian Brachiopoda, The chilidium is not often visible in the dorsal valve of Billingsella but when seen proves to be an arch with its piers built against the notothyrial edge.

Derived terms

• chilidial