Lewis & Short

2. Phormĭo, ōnis, m.

  1. I. The name of a parasite in Terence, in a play of the same name.
  2. II. A Peripatetic philosopher of Ephesus, who delivered a lecture in the presence of Hannibal on the duties of military commanders and on the art of war, Cic. de Or. 2, 18, 75; hence, transf., of a silly person, who talks about things which he does not understand: egomet in multos jam Phormiones incidi, id. ib. 2, 19, 77.
  3. III. A Roman surname: Sextus Clodius Phormio, Cic. Caecin. 10, 27; id. Phil. 2, 6, 15.