Lewis & Short

2. Pĭĕtas, ātis, f.,

  1. I. a Roman surname, Inscr. Marin. Atti, p. 329.
  2. II. Also, the name of a ship, Inscr. Orell. 3608.
  3. III. Pietas Julia, a Roman colony in Istria, the mod. Pola, Plin. 3, 19, 23, § 129.