Source : Webster's Revised Unabridged Dictionary (1913)

Hoarse \Hoarse\, a. [Compar. {Hoarser}, superl. {Hoarsest}.]
   [OE. hors, also hos, has, AS. h[=a]s; akin to D. heesch, G.
   heiser, Icel. h[=a]ss, Dan. h[ae]s, Sw. hes. Cf. Prov. E.
   heazy.]
   1. Having a harsh, rough, grating voice or sound, as when
      affected with a cold; making a rough, harsh cry or sound;
      as, the hoarse raven.

            The hoarse resounding shore.          --Dryden.

   2. Harsh; grating; discordant; -- said of any sound.

Source : WordNet®

hoarse
     adj : deep and harsh sounding as if from shouting or illness or
           emotion; "gruff voices"; "the dog's gruff barking";
           "hoarse cries"; "makes all the instruments sound
           powerful but husky"- Virgil Thomson [syn: {gruff}, {husky}]