Found 2 items, similar to sulcus.
English → English (WordNet) Definition: sulcus sulcus n : (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain [also: sulci (pl)]
English → English (gcide) Definition: Sulcus Sulcus \Sul"cus\, n.; pl. Sulci. [L., a furrow.] A furrow; a groove; a fissure. [1913 Webster]