The Collaborative International Dictionary of English v.0.48:

Mouth \Mouth\ (mou[th]), v. t. [imp. & p. p. Mouthed
   (mou[th]d); p. pr. & vb. n. Mouthing.]
   1. To take into the mouth; to seize or grind with the mouth
      or teeth; to chew; to devour. --Dryden.
      [1913 Webster]

   2. To utter with a voice affectedly big or swelling; to speak
      in a strained or unnaturally sonorous manner; as, mouthing
      platitudes. "Mouthing big phrases." --Hare.
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            Mouthing out his hollow oes and aes.  --Tennyson.
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   3. To form or cleanse with the mouth; to lick, as a bear her
      cub. --Sir T. Browne.
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   4. To make mouths at. [R.] --R. Blair.
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The Collaborative International Dictionary of English v.0.48:

Mouthed \Mouthed\, a.
   1. Furnished with a mouth.
      [1913 Webster]

   2. Having a mouth of a particular kind; using the mouth,
      speech, or voice in a particular way; -- used only in
      composition; as, wide-mouthed; hard-mouthed; foul-mouthed;
      mealy-mouthed.
      [1913 Webster]