What is the meaning of furrowed?

verb

• Hollow out in the form of a furrow or groove.
  • usage: "furrow soil"
  • synonyms: furrow, rut, groove
• Make wrinkled or creased.
  • usage: "furrow one's brow"
  • synonyms: furrow, wrinkle, crease
• Cut a furrow into a columns.
  • synonyms: furrow, chamfer, chase

adjective

• Having long narrow shallow depressions (as grooves or wrinkles) in the surface.
  • usage: "furrowed fields"; "his furrowed face lit by a warming smile"
  • synonyms: rugged