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casque

American  
[kask] / kæsk /

noun

  1. an open, conical helmet with a nose guard, commonly used in the medieval period.

  2. any helmet-shaped head covering.

  3. Zoology. a process or formation on the head, resembling a helmet.


casque British  
/ kæsk /

noun

  1. zoology a helmet or a helmet-like process or structure, as on the bill of most hornbills

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of casque

1570–80; < Middle French < Spanish casco helmet, head, earthen pot; akin to cascara

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The helmeted hornbill is another one: critically endangered owing to land clearing for palm oil plantations, and poaching for its magnificent red ivory casque.

From The Guardian Sep. 30, 2019

The market incentivizes the poachers—the beak of the helmeted hornbill in Indonesia, for example, with its red rubbery neck, remarkably expressive eyes, and prized casque that resembles ivory, can sell for thousands of dollars.

From Slate Apr. 4, 2019

But it's the hornbill's helmet, or casque, that sits on top of its bill that is pushing it to the brink of survival.

From BBC Oct. 3, 2016

How is the casque formed in anatomical terms?

From Scientific American Apr. 22, 2014

Yet, instead of the youthful and noble countenance which tradition would surely ascribe to a gallant prince, the face which peered from the casque was that of an evil-minded ascetic.

From The House 'Round the Corner by Tracy, Louis

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