ETYM Old Eng. forow, forgh, furgh, AS. furh.
A long shallow trench in the ground (especially one made by a plow).

1. To cut a furrow into a columns; SYN. chamfer, chase.
2. To hollow out in the form of a furrow or groove; SYN. rut, groove.
3. To make wrinkled or creased; SYN. wrinkle, crease.