sulcus

noun
sul·​cus | \ ˈsəl-kəs How to pronounce sulcus (audio) \
plural sulci\ ˈsəl-​ˌkī How to pronounce sulcus (audio) , -​ˌkē , -​ˌsī \

Definition of sulcus

: furrow, groove especially : a shallow furrow on the surface of the brain separating adjacent convolutions

Examples of sulcus in a Sentence

Recent Examples on the Web In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021 In those young and older, the under-eye hollows and pre-jowl sulcus — the indents on either side of the chin — tend to suffer a similar fate. Jolene Edgar, refinery29.com, 6 Oct. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulcus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sulcus

1662, in the meaning defined above

History and Etymology for sulcus

Latin; akin to Old English sulh plow, Greek holkos furrow, helkein to pull

Learn More About sulcus

Dictionary Entries Near sulcus

sulcomarginal

sulcus

sulcus of Rolando

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Statistics for sulcus

Last Updated

23 Jan 2022

Cite this Entry

“Sulcus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sulcus. Accessed 25 Jan. 2022.

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More Definitions for sulcus

sulcus

noun
sul·​cus | \ ˈsəl-kəs How to pronounce sulcus (audio) \
plural sulci\ -​ˌkī How to pronounce sulcus (audio) , -​ˌsī How to pronounce sulcus (audio) \

Medical Definition of sulcus

: furrow, groove especially : a shallow furrow on the surface of the brain separating adjacent convolutions — compare fissure sense 1c

More from Merriam-Webster on sulcus

Britannica.com: Encyclopedia article about sulcus

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