[1] : The Collaborative International Dictionary of English v.0.48

mouth \mouth\ mouth, n.; pl. mouths mouthz. oe. mouth,
   muthorn, as. m=ueth; akin to d. mond, os. m=ueth,
   g. mund, icel. muethr, munnr, sw. mun, dan. mund, goth.
   munthorns, and possibly l. mentum chin; or cf. d. muil
   mouth, muzzle, g. maul, ohg. m=ula, icel. m=uli, and skr.
   mukha mouth.
   1. the opening through which an animal receives food; the
      aperture between the jaws or between the lips; also, the
      cavity, containing the tongue and teeth, between the lips
      and the pharynx; the buccal cavity.
      1913 webster

   2. hence: an opening affording entrance or exit; orifice;
      aperture; as:
      a the opening of a vessel by which it is filled or
          emptied, charged or discharged; as, the mouth of a jar
          or pitcher; the mouth of the lacteal vessels, etc.
      b the opening or entrance of any cavity, as a cave, pit,
          well, or den.
      c the opening of a piece of ordnance, through which it
          is discharged.
      d the opening through which the waters of a river or any
          stream are discharged.
      e the entrance into a harbor.
          1913 webster

   3. saddlery the crosspiece of a bridle bit, which enters
      the mouth of an animal.
      1913 webster

   4. a principal speaker; one who utters the common opinion; a
      mouthpiece.
      1913 webster

            every coffeehouse has some particular statesman
            belonging to it, who is the mouth of the street
            where he lives.                       --addison.
      1913 webster

   5. cry; voice. obs. --dryden.
      1913 webster

   6. speech; language; testimony.
      1913 webster

            that in the mouth of two or three witnesses every
            word may be established.              --matt. xviii.
                                                  16.
      1913 webster

   7. a wry face; a grimace; a mow.
      1913 webster

            counterfeit sad looks,
            make mouths upon me when i turn my back. --shak.
      1913 webster

   down at the mouth or down in the mouth, chapfallen; of
      dejected countenance; depressed; discouraged. obs. or
      colloq.

   mouth friend, one who professes friendship insincerely.
      --shak.

   mouth glass, a small mirror for inspecting the mouth or
      teeth.

   mouth honor, honor given in words, but not felt. --shak.

   mouth organ. mus.
      a pan's pipes. see pandean.
      b an harmonicon.

   mouth pipe, an organ pipe with a lip or plate to cut the
      escaping air and make a sound.

   to stop the mouth, to silence or be silent; to put to
      shame; to confound.

   to put one's foot in one's mouth, to say something which
      causes one embarrassment.

   to run off at the mouth, to speak excessively.

   to talk out of both sides of one's mouth, to say things
      which are contradictory.
      1913 webster +pjc

            the mouth of them that speak lies shall be stopped.
                                                  --ps. lxiii.
                                                  11.
      1913 webster

            whose mouths must be stopped.         --titus i. 11.
      1913 webster
see also:
mouths down at the mouth down in the mouth mouth friend mouth glass mouth honor 
mouth organ pandean mouth pipe to stop the mouth to put one's foot in one's mouth 
to run off at the mouth to talk out of both sides of one's mouth 

[2] : The Collaborative International Dictionary of English v.0.48

stop \stop\, v. t. imp.  p. p. stopped; p. pr.  vb. n.
   stopping. oe. stoppen, as. stoppian in comp.; akin to
   lg.  d. stoppen, g. stopfen, icel. stoppa, sw. stoppa, dan.
   stoppe; all probably fr. ll. stopare, stupare, fr. l. stuppa
   the coarse part of flax, tow, oakum. cf. estop, stuff,
   stupe a fomentation.
   1. to close, as an aperture, by filling or by obstructing;
      as, to stop the ears; hence, to stanch, as a wound.
      --shak.
      1913 webster

   2. to obstruct; to render impassable; as, to stop a way,
      road, or passage.
      1913 webster

   3. to arrest the progress of; to hinder; to impede; to shut
      in; as, to stop a traveler; to stop the course of a
      stream, or a flow of blood.
      1913 webster

   4. to hinder from acting or moving; to prevent the effect or
      efficiency of; to cause to cease; to repress; to restrain;
      to suppress; to interrupt; to suspend; as, to stop the
      execution of a decree, the progress of vice, the
      approaches of old age or infirmity.
      1913 webster

            whose disposition all the world well knows
            will not be rubbed nor stopped.       --shak.
      1913 webster

   5. mus. to regulate the sounds of, as musical strings, by
      pressing them against the finger board with the finger, or
      by shortening in any way the vibrating part.
      1913 webster

   6. to point, as a composition; to punctuate. r.
      1913 webster

            if his sentences were properly stopped. --landor.
      1913 webster

   7. naut. to make fast; to stopper.
      1913 webster

   syn: to obstruct; hinder; impede; repress; suppress;
        restrain; discontinue; delay; interrupt.
        1913 webster

   to stop off founding, to fill a part of a mold with
      sand, where a part of the cavity left by the pattern is
      not wanted for the casting.

   to stop the mouth. see under mouth.
      1913 webster
see also:
stopped stopping estop stuff stupe to stop off 
to stop the mouth mouth 

Glottal Stop >> G Words
Glottal Stop, definition of term: Glottal Stop
glottal+stop_pag1.html

Full Stop >> F Words
Full Stop, definition of term: Full Stop
full+stop_pag1.html

Flag Stop >> F Words
Flag Stop, definition of term: Flag Stop
flag+stop_pag1.html

Dragons Mouth >> D Words
Dragons Mouth, definition of term: Dragons Mouth
dragons+mouth_pag1.html

Bus Stop >> B Words
Bus Stop, definition of term: Bus Stop
bus+stop_pag1.html

Foot And Mouth >> F Words
Foot And Mouth, definition of term: Foot And Mouth
foot+and+mouth_pag1.html