sulcus

[ suhl-kuh s ]
/ ˈsʌl kəs /

noun, plural sul·ci [suhl-sahy] /ˈsʌl saɪ/.

a furrow or groove.
Anatomy. a groove or fissure, especially a fissure between two convolutions of the brain.

Origin of sulcus

1655–65; Latin: furrow

OTHER WORDS FROM sulcus

sub·sul·cus, noun, plural sub·sul·ci.

Words nearby sulcus

sukkur, sukuk, sukuma, sulawesi, sulcate, sulcus, sulcus of sclera, suleiman i, sulf-, sulfa, sulfa drug

Example sentences from the Web for sulcus

British Dictionary definitions for sulcus

sulcus
/ (ˈsʌlkəs) /

noun plural -ci (-saɪ)

a linear groove, furrow, or slight depression
any of the narrow grooves on the surface of the brain that mark the cerebral convolutions Compare fissure

Word Origin for sulcus

C17: from Latin

Medical definitions for sulcus

sulcus
[ sŭl′kəs ]

n. pl. sul•ci (-kī, -sī)

Any of the grooves on the brain surface, bounding the gyri; a fissure.
A long narrow groove or depression, as in an organ or a tissue.

Other words from sulcus

sul′cal adj.