cleithrum

The English word “cleithrum” has 1 meaning listed here.

noun

A large bone in fishes, which extends upward from the base of the pectoral fin and anchors to the cranium above the gills, forming the posterior edge of the gill chamber.

From Ancient Greek κλεῖθρον (kleîthron).

Keep exploring: in the interactive dictionary every word of a definition is a link. Open “cleithrum” there

The English dictionary on Glottosphere has 650,529 entries with a page. Browse the English dictionary.

Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.