praenomen

A first or given name.

The first name of a citizen of ancient Rome, as Gaius in Gaius Julius Caesar.

Among the ancient Romans, a name prefixed to the family name, answering to the modern Christian or personal name, as Gaius, Lucius, Marcus, etc.

In zoology, the generic name, or name of the genus to which a species belongs, which invariably precedes the specific or trivial name in the binomial system of nomenclature. Thus, Felis is the prænomen in the term Felis leo, which is the technical name of the lion.

The first name of a person, by which individuals of the same family were distinguished, answering to our Christian name, as Caius, Lucius, Marcus, etc.

An ancient Roman first name.

the first name of a citizen of ancient Rome