This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Biology Having narrow, deep furrows or grooves, as a stem or tissue.

adj. Having deep, narrow sulci, grooves or furrows

adj. Scored with deep and regular furrows; furrowed or grooved.

To plow; furrow.

Furrowed; grooved; having long narrowed depressions, shallow fissures, or open channels; channeled or fluted; cleft, as the hoof of a ruminant; fissured, as the surface of the brain.

adj. having deep narrow furrows or grooves

"+Cap+ a light-colored yellowish-brown, changing into an ash color; the disc with a yellowish shade; of an oval shape, then bell-shaped, and marked with lines, almost sulcate."

sulcated