LATIN DICTIONARYLexicon Latīnum
proper noun

Firmĭcus

Meaning

  1. a Roman mathematician in the time of Constantine the Great

Firmĭcus, i, m., Julius F. Maternus,
I. a Roman mathematician in the time of Constantine the Great, author of a work entitled Matheseos libri octo; cf. Bernhardy, Rom. Lit. pp. 645, 648.

Quick answers

What does Firmĭcus mean in Latin?
Firmĭcus, a proper noun, means “a Roman mathematician in the time of Constantine the Great”.