Dictionary

sulcus

noun sul·cus \ˈsəl-kəs\
plural sul·ci \-ˌkī, -ˌkē, -ˌsī\

Definition of SULCUS

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

Origin of SULCUS

Latin; akin to Old English sulh plow, Greek holkos furrow, helkein to pull
First Known Use: 1662

sulcus

noun sul·cus \ˈsəl-kəs\   (Medical Dictionary)
plural sul·ci \-ˌkī, -ˌsī\

Medical Definition of SULCUS

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

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