mouth

Explanation

1. mouth
A bodily organ extending from the lips to the throat that one uses to eat and make sounds.

2. lips
The red and soft flesh that surrounds the opening of the mouth.

3. person
The number of people who eat.

4. mouth
(figurative) Words that a person utters.

5. bite
The word that indicates the amount of food a person can eat in one bite.

Examples
입 냄새
입이 마르다
입이 크다

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