What is the meaning of Princeps?

The title of the Roman emperor during the principate.

One who, or that which, is foremost, original, etc.

The editio princeps, or first edition of a book.

princeps; Roman emperor

first, foremost

chief, distinguished

a leader, first man or woman, head

a principal person

an author, originator, founder

a chief, director

a prince, sovereign

company or division of the second line of soldiers

princeps

princeps

Source: wiktionary.org