furrow -- (a long shallow trench in the ground (especially one made by a plow))
wrinkle, furrow, crease, crinkle, seam, line -- (a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles")
Overview of verb furrow
The verb furrow has 3 senses
furrow, rut, groove -- (hollow out in the form of a furrow or groove; "furrow soil")