brachycephalic

adjective

brachy·​ce·​phal·​ic ˌbra-ki-sə-ˈfa-lik How to pronounce brachycephalic (audio)
: short-headed or broad-headed with a cephalic index of over 80
brachycephaly noun

Examples of brachycephalic in a Sentence

Recent Examples on the Web
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Also, brachycephalic dogs, very old dogs, and those with heart or pulmonary disease would be more prone to heat sensitivity. Molly Burford, Southern Living, 29 June 2026 But their signature flat faces can come with serious breathing risks, such as brachycephalic obstructive airway syndrome (BOAS). Taneia Surles, USA Today, 1 May 2026 In the case of these breeds, around 90% suffer from brachycephalic obstructive airway syndrome (BOAS), a chronic condition they're born with that gets worse with age. New Atlas, 24 Apr. 2026 According to the team, this shows that BOAS varies widely amongst brachycephalic breeds. Laura Baisas, Popular Science, 18 Feb. 2026 See All Example Sentences for brachycephalic

Word History

Etymology

New Latin brachycephalus, from Greek brachy- + kephalē head — more at cephalic

First Known Use

circa 1852, in the meaning defined above

Time Traveler
The first known use of brachycephalic was circa 1852

Browse Nearby Words

Cite this Entry

“Brachycephalic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/brachycephalic. Accessed 6 Jul. 2026.

Medical Definition

brachycephalic

adjective
brachy·​ce·​phal·​ic ˌbrak-i-sə-ˈfal-ik How to pronounce brachycephalic (audio)
: short-headed or broad-headed with a cephalic index of over 80
brachycephaly noun
plural brachycephalies
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