Lewis & Short

Cloelĭus, Clŭĭlĭus, or Cloelĭa, name of a Roman gens: C. Cluilius, Liv. 1, 22, 4 al.
Esp.: Cloelĭa, ae, f., a Roman maiden, who, when a hostage to Porsenna, with several companions, swam back to Rome, Liv. 2, 13, 6 and 7; Verg. A. 8, 651; Piso ap. Plin. 34, 6, 13, § 29 al.