Source : Webster's Revised Unabridged Dictionary (1913)

Mouth \Mouth\, v. t. [imp. & p. p. {Mouthed}; 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.

   2. To utter with a voice affectedly big or swelling; to speak
      in a strained or unnaturally sonorous manner. ``Mouthing
      big phrases.'' --Hare.

            Mouthing out his hollow oes and aes.  --Tennyson.

   3. To form or cleanse with the mouth; to lick, as a bear her
      cub. --Sir T. Browne.

   4. To make mouths at. [R.] --R. Blair.