casque
A hard structure on the head of some birds, such as cassowaries, some hornbills and guineafowl, and some reptiles such as chameleons and basilisks.
Related words
- casqued
- casqueless
- uncasque
Word history
From French "casque".
Where this comes from
This definition is adapted from “casque” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.