Source : Webster's Revised Unabridged Dictionary (1913)

Harrow \Har"row\, v. t. [imp. & p. p. {Harrowed}; p. pr. & vb.
   n. {Harrowing}.] [OE. harowen, harwen; cf. Dan. harve. See
   {Harrow}, n.]
   1. To draw a harrow over, as for the purpose of breaking
      clods and leveling the surface, or for covering seed; as,
      to harrow land.

            Will he harrow the valleys after thee? --Job xxxix.
                                                  10.

   2. To break or tear, as with a harrow; to wound; to lacerate;
      to torment or distress; to vex.

            My aged muscles harrowed up with whips. --Rowe.

            I could a tale unfold, whose lightest word Would
            harrow up thy soul.                   --Shak.

Harrow \Har"row\ (h[a^]r"r[-o]), n. [OE. harowe, harwe, AS.
   hearge; cf. D. hark rake, G. harke, Icel. herfi harrow, Dan.
   harve, Sw. harf. [root]16.]
   1. An implement of agriculture, usually formed of pieces of
      timber or metal crossing each other, and set with iron or
      wooden teeth. It is drawn over plowed land to level it and
      break the clods, to stir the soil and make it fine, or to
      cover seed when sown.

   2. (Mil.) An obstacle formed by turning an ordinary harrow
      upside down, the frame being buried.

   {Bush harrow}, a kind of light harrow made of bushes, for
      harrowing grass lands and covering seeds, or to finish the
      work of a toothed harrow.

   {Drill harrow}. See under 6th {Drill}.

   {Under the harrow}, subjected to actual torture with a
      toothed instrument, or to great affliction or oppression.

Harrow \Har"row\, interj. [OF. harau, haro; fr. OHG. hara, hera,
   herot, or fr. OS. herod hither, akin to E. here.]
   Help! Halloo! An exclamation of distress; a call for
   succor;-the ancient Norman hue and cry. ``Harrow and well
   away!'' --Spenser.

         Harrow! alas! here lies my fellow slain. --Chaucer.

Harrow \Har"row\, v. t. [See {Harry}.]
   To pillage; to harry; to oppress. [Obs.] --Spenser.

         Meaning thereby to harrow his people.    --Bacon

Source : WordNet®

harrow
     n : a cultivator that pulverizes or smoothes the soil
     v : draw a harrow over (land) [syn: {disk}]