s 1 u 1 l 1 c 3 u 1 s 1
6 letters · 8 points in Scrabble
Meaning
noun (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
originBorrowed from Latin sulcus (“a furrow made by a plow”). Doublet of sullow ("plough").
Etymology from Wiktionary, CC BY-SA 3.0