American Dictionary

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Definition mouth in American English

mouth noun

[countable] noun
/maʊθ/
1

the part of your face below your nose that you use to eat and speak. The corners of your mouth are the two outside ends of it, and the inside top part of your mouth is called the roof

Example

She opened her mouth to speak.

Example

I have a funny taste in my mouth.

1.1

if your mouth waters, it produces saliva (=liquid) because you are about to eat something that you like

Example

She felt her mouth watering in anticipation of the meal.

Synonyms and related words
2

someone who you have to provide food for

Example

How can the world support all these hungry mouths?

Example

Now I have another mouth to feed.

3

the entrance to something such as a cave (=a hole in the side of a mountain) or tunnel

Synonyms and related words
3.1

the opening of a bottle or other container

Synonyms and related words
4

the place where a river is widest and joins the ocean

Synonyms and related words
5

all words and no action

Example

At first he seemed to be as good as his word but later on he turned out to be all mouth and no trousers.

Definition mouth in American English