English Explanatory Dictionary

sulcus

English dictionary entry

Meanings

noun
  1. A furrow or groove in an organ or a tissue, especially that marking the convolutions of the surface of the brain.
  2. A region of subparallel grooves or ditches formed by a geological process.

Pronunciation

/ˈsʌl.kəs/ LL-Q1860 (eng)-Vealhurl-sulcus.wav

Word forms

sulcus sulci

Etymology

Borrowed from Latin sulcus (“a furrow made by a plow”). Doublet of sullow ("plough").

Derived words

gluteal sulcus hemisulcus hyposulcus intermammary sulcus pseudosulcus sulcal sulcate sulcification sulciform sulcus cutis
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