The Collaborative International Dictionary of English v.0.48:

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.
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            The hoarse resounding shore.          --Dryden.
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   2. Harsh; grating; discordant; -- said of any sound.
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