paeonEnglishOxford New American Dictionarypaeon /ˈpēən, ˈpiən / ▸ noun a metrical foot of one long syllable and three short syllables in any order. – DERIVATIVES paeonic /pēˈänik/ adjective– ORIGIN early 17th century : via Latin from Greek paiōn, the Attic form of paian ‘hymn of thanksgiving to Apollo’ (see paean).