- A book, list, or vocabulary of names, especially of people.
Etymology: From Ancient Greek (polytonic, á) (onomastikon), neuter form of (polytonic, á) (onomastikos) "belonging to names" < (polytonic, á) (onomazÅ) "I name" < (polytonic, á) (onoma) "name"
- ''We looked up the origin of her name in an .
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Full Definition of onomasticon