Source : Webster's Revised Unabridged Dictionary (1913)

Prod \Prod\, v. t. [imp. & p. p. {Prodded}; p. pr. & vb. n.
   {Prodding}.]
   To thrust some pointed instrument into; to prick with
   something sharp; as, to prod a soldier with a bayonet; to
   prod oxen; hence, to goad, to incite, to worry; as, to prod a
   student. --H. Taylor.

Prod \Prod\, n. [Cf. Gael. & Ir. brod goad, prickle, sting, and
   E. brad, also W. procio to poke, thrust.]
   1. A pointed instrument for pricking or puncturing, as a
      goad, an awl, a skewer, etc.

   2. A prick or stab which a pointed instrument.

   3. A light kind of crossbow; -- in the sense, often spelled
      prodd. --Fairholt.

Source : WordNet®

prod
     n 1: a verbalization that encourages you to attempt something;
          "the ceaseless prodding got on his nerves" [syn: {goad},
           {goading}, {prodding}, {urging}, {spur}, {spurring}]
     2: a pointed instrument used to prod into motion [syn: {goad}]
     [also: {prodding}, {prodded}]

prod
     v 1: to push against gently; "She nudged my elbow when she saw
          her friend enter the restaurant" [syn: {nudge}, {poke at}]
     2: urge on; cause to act; "They other children egged the boy
        on, but he did not want to throw the stone through the
        window" [syn: {incite}, {egg on}]
     3: poke or thrust abruptly; "he jabbed his finger into her
        ribs" [syn: {jab}, {stab}, {poke}, {dig}]
     [also: {prodding}, {prodded}]