1. Anatomy, Zoology.
• the opening through which an animal or human takes in food.
• the cavity containing the structures used in mastication.
• the structures enclosing or being within this cavity, considered as a whole.
2. the masticating and tasting apparatus.
3. a person or animal dependent on someone for sustenance: another mouth to feed.
4. the oral opening or cavity considered as the source of vocal utterance.
5. utterance or expression: to give mouth to one's thoughts.
6. talk, especially loud, empty, or boastful talk: That man is all mouth.
7. disrespectful talk or language; back talk; impudence.
8. a grimace made with the lips.
9. an opening leading out of or into any cavity or hollow place or thing: the mouth of a cave; a bottle's mouth.
10. the outfall at the lower end of a river or stream, where flowing water is discharged, as into a lake, sea, or ocean: the mouth of the Nile.
11. the opening between the jaws of a vise or the like.
12. the lateral hole of an organ pipe.
13. the lateral blowhole of a flute.

14. to utter in a sonorous or pompous manner, or with excessive mouth movements: to mouth a speech.
15. to form (a word, sound, etc.) with the lips without actually making an utterance: She silently mouthed her answer so as not to wake her napping child.
16. to utter or pronounce softly and indistinctly; mumble: Stop mouthing your words and speak up.
17. to put or take into the mouth, as food.
18. to press, rub, or chew at with the mouth or lips: The dog mouthed the toys.
19. to accustom (a horse) to the use of the bit and bridle.

20. to speak sonorously and oratorically, or with excessive mouth movement.
21. to grimace with the lips.

22. mouth off, Slang.
• to talk back; sass: He mouthed off to his mother.
• to express one's opinions, objections, or the like in a forceful or uninhibited manner, especially in public.

23. dejected; depressed; disheartened: Ever since he lost his job, he has been looking very down in the mouth.
24. to talk incessantly or indiscreetly.
25. to make contradictory or untruthful statements.

1. the opening through which many animals take in food and issue vocal sounds
2. the system of organs surrounding this opening, including the lips, tongue, teeth, etc
3. the visible part of the lips on the face
4. a person regarded as a consumer of food
5. verbal expression (esp in the phrase give mouth to)
6. a particular manner of speaking
7. boastful, rude, or excessive talk
8. the point where a river issues into a sea or lake
9. the opening of a container, such as a jar
10. the opening of or place leading into a cave, tunnel, volcano, etc
11. that part of the inner lip of a horse on which the bit acts, esp when specified as to sensitivity
12. the narrow slit in an organ pipe
13. the opening between the jaws of a vice or other gripping device
14. a pout; grimace
15. orally rather than by written means
16. in low spirits
17. to speak indiscreetly, loudly, or excessively
18. to keep a secret
19. to take appropriate action to support what one has said
20. put words into someone's mouth
• to represent, often inaccurately, what someone has said
• to tell someone what to say
21. to talk incessantly, esp about unimportant matters

22. to speak or say (something) insincerely, esp in public
23. to form (words) with movements of the lips but without speaking
24. to accustom (a horse) to wearing a bit
25. to take (something) into the mouth or to move (something) around inside the mouth
26. to make a grimace

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