Definition of "aunt" in English

noun

1. The sister or sister-in-law of one’s parent.

2. The female cousin or cousin-in-law of one’s parent.

3. (endearing) A woman of an older generation than oneself, especially a friend of one's parents, by means of fictive kin.

4. (obsolete) Any elderly woman.

5. (obsolete) A procuress or bawd.