"furrowed, grooved," 1760, from Latin sulcatus, past participle of sulcare "to make furrowed," from sulcus "furrow, trench, ditch" (see sulcus).
Entries linking to sulcate
sulcus n.
plural sulci, "fissure between convolutions of the brain," 1833, from medical use of Latin sulcus "furrow, trench, ditch, wrinkle," apparently literally "the result of plowing," from PIE *selk- "to pull, draw" (source also of Greek holkos "furrow," Old English sulh "plow," Lithuanian velku "I draw").