sulcus
Americannoun
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a furrow or groove.
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Anatomy. a groove or fissure, especially a fissure between two convolutions of the brain.
noun
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a linear groove, furrow, or slight depression
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any of the narrow grooves on the surface of the brain that mark the cerebral convolutions Compare fissure
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Derived Forms
Etymology
Origin of sulcus
1655–65; Latin: furrow
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Example Sentences
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Sulcus: a furrow or groove: a groove-like excavation.
From Explanation of Terms Used in Entomology by Smith, John. B.
B, Transverse section of the same, showing the arrangement of the mesenteries, s, Sulcus; sl, sulculus.
From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
