furrow
fur-row
verb
To make a long, narrow trench or wrinkle in a surface.
"He furrowed his brow in thought."
noun
A long, narrow trench or groove made in the ground by a plough.
"The plough left deep furrows."
Thesaurus
Synonyms: crease, wrinkle, crinkle, seam, line, groove, rut, chamfer, chase