Source : Webster's Revised Unabridged Dictionary (1913)

Furrow \Fur"row\, n. [OE. forow, forgh, furgh, AS. furh; akin to
   D. voor, OHG. furuh, G. furche, Dan. fure, Sw. f?ra, Icel.
   for drain, L. porca ridge between two furrows.]
   1. A trench in the earth made by, or as by, a plow.

   2. Any trench, channel, or groove, as in wood or metal; a
      wrinkle on the face; as, the furrows of age.

   {Farrow weed} a weed which grows on plowed land. --Shak.

   {To draw a straight furrow}, to live correctly; not to
      deviate from the right line of duty. --Lowell.

Furrow \Fur"row\, v. t. [imp. & p. p. {Furrowed}; p. pr. & vb.
   n. {Furrowing}.] [From {Furrow}, n.; cf. AS. fyrian.]
   1. To cut a furrow in; to make furrows in; to plow; as, to
      furrow the ground or sea. --Shak.

   2. To mark with channels or with wrinkles.

            Thou canst help time to furrow me with age. --Shak.

            Fair cheeks were furrowed with hot tears. --Byron.

Source : WordNet®

furrow
     n 1: a long shallow trench in the ground (especially one made by
          a plow)
     2: a slight depression in the smoothness of a surface; "his
        face has many lines"; "ironing gets rid of most wrinkles"
        [syn: {wrinkle}, {crease}, {crinkle}, {seam}, {line}]
     v 1: hollow out in the form of a furrow or groove; "furrow soil"
          [syn: {rut}, {groove}]
     2: make wrinkled or creased; "furrow one's brow" [syn: {wrinkle},
         {crease}]
     3: cut a furrow into a columns [syn: {chamfer}, {chase}]