Lewis & Short

Prō̆gnē or Prō̆cnē, ēs, f., = Πρόκνη,

  1. I. Daughter of Pandion, king of Athens, sister of Philomela, and wife of Tereus; she was changed into a swallow: natae ex Philomelā atque ex Progne hirundines, Plaut. Rud. 3, 1, 12; Ov. M. 6, 440 sq.
  2. II. Poet., transf., a swallow, Verg. G. 4, 15; Ov. F. 2, 855; id. Tr. 5, 1, 60.
  3. III. An island near Rhodes, Plin. 5, 31, 36, § 133.