Having longitudinal channels, ridges, or grooves; sulcate: as, a furrowed stem.

verb. Simple past tense and past participle of furrow.

adjective. having long narrow shallow depressions (as grooves or wrinkles) in the surface

"—The uvula (uvula vermis; uvular lobe) forms a considerable portion of the inferior vermis; it is separated on either side from the tonsil by the sulcus valleculæ, at the bottom of which it is connected to the tonsil by a ridge of gray matter, indented on its surface by shallow furrows, and hence called the furrowed band."

furrowed band  

canaliculate  corrugated  rutted  rutty  

canaliculate  canaliculated  carved  chamfered  channeled  

furrow