Lewis & Short

† paeon, ōnis (paean, ānis, Cic. Or. 64, 215 v. h. v.), m., = παιών, a metrical foot of four syllables, three short and one long (and which, acc. to the position of the long syllable, is called primus, secundus, tertius, quartus), Cic. de Or. 3, 47, 183; Quint. 9, 4, 47; 87; 110; Diom. p. 477 P.; Don. p. 1739 ib.; Mar. Vict. p. 1957.

Paeŏnes, um, m., = Παίονες, a people of Macedonia, in that part of it afterwards called Emathia, the Pœonians, Ov. P. 2, 2, 77; id. M. 5, 313.
Sing.: Paeŏn, ŏnis, m., = Παίων, a Pœonian, Liv. 42, 51, 6.
Hence,

  1. A. Paeŏnĭa, ae, f., = Παιονία, the country of the Pœonians, Emathia, Plin. 4, 10, 17, § 33; Liv. 40, 3.
  2. B. Paeŏnis, ĭdis, f., a female Pœonian: Paeonis Euippe mater fuit, Ov. M. 5, 303.
  3. C. Paeŏnĭus, a, um, adj., = Παιόνιος, of or belonging to Pœonia, Pœonian: gentes, Plin. 4, 10, 17, § 35.