Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “mouth”


noun [C] (BODY PART)   /mɑʊθ/
the opening in the face used by a person or animal to eat and drink : I wish you wouldn’t chew with your mouth open .
(Definition of mouth noun (BODY PART) from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of mouth

Definitions of “mouth” in other dictionaries

Word of the Day

best man

a male friend or relation of the bridegroom who stands with him and helps him during a marriage ceremony

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More