Source : Webster's Revised Unabridged Dictionary (1913)

Peal \Peal\, v. i.
   To appeal. [Obs.] --Spencer.

Peal \Peal\, n. [An abbrev. of F. appel a call, appeal, ruffle
   of a drum, fr. appeller to call, L. appellare. See {Appeal}.]
   1. A loud sound, or a succession of loud sounds, as of bells,
      thunder, cannon, shouts, of a multitude, etc. ``A fair
      peal of artillery.'' --Hayward.

            Whether those peals of praise be his or no. --Shak.

            And a deep thunder, peal on peal, afar. --Byron.

   2. A set of bells tuned to each other according to the
      diatonic scale; also, the changes rung on a set of bells.

   {To ring a peal}. See under {Ring}.

Peal \Peal\, v. i. [imp. & p. p. {Pealed}; p. pr. & vb. n.
   {Pealing}.]
   1. To utter or give out loud sounds.

            There let the pealing organ blow.     --Milton.

   2. To resound; to echo.

            And the whole air pealed With the cheers of our men.
                                                  --Longfellow.

Peal \Peal\, v. t.
   1. To utter or give forth loudly; to cause to give out loud
      sounds; to noise abroad.

            The warrior's name, Though pealed and chimed on all
            the tongues of fame.                  --J. Barlow.

   2. To assail with noise or loud sounds.

            Nor was his ear less pealed.          --Milton.

   3. To pour out. [Prov. Eng.] --Halliwell.

Peal \Peal\, n. [Etymol. uncertain.] (Zo["o]l.)
   A small salmon; a grilse; a sewin. [Prov. Eng.]

Source : WordNet®

peal
     n : a deep prolonged sound (as of thunder or large bells) [syn:
         {pealing}, {roll}, {rolling}]
     v 1: ring recurrently; "bells were pealing"
     2: sound loudly and sonorously; "the bells rang" [syn: {ring}]