uncinate

adjective

un·​ci·​nate ˈən(t)-sə-ˌnāt How to pronounce uncinate (audio)
: bent at the tip like a hook : hooked
an uncinate achene

Examples of uncinate in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Brain imaging studies of criminality going back to 2009 have suggested that damage to a swath of white matter called the right uncinate fasciculus is somehow involved when people commit violent acts. Christopher M. Filley, The Conversation, 3 Feb. 2026

Word History

Etymology

Latin uncinatus, from uncinus hook, from uncus

First Known Use

circa 1760, in the meaning defined above

Time Traveler
The first known use of uncinate was circa 1760

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Cite this Entry

“Uncinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/uncinate. Accessed 15 Feb. 2026.

Medical Definition

uncinate

adjective
un·​ci·​nate ˈən(t)-sə-ˌnāt How to pronounce uncinate (audio)
1
: bent at the tip like a hook
2
a
: of, relating to, affecting, or involving the uncus
the uncinate area of the parahippocampal gyrus
b
: relating to, characterized by, or being an uncinate fit
uncinate epilepsy
an uncinate seizure
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