Metrical foot

• A poetic foot

Wikipedia Word definitions in Wikipedia
Paeon or Paion (, gen.: Παίονος) in Greek mythology was a Paionian mentioned in the Iliad of Homer as the father of the warrior Agastrophus , slain by Diomedes , while fighting on the side of Troy in the Trojan War . He is presumably the same as the Paeon ...

Wiktionary Word definitions in Wiktionary
n. (context poetry English) A foot containing any pattern of three short syllables and one long syllable.

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
metrical foot of one long and three short syllables (in any order), c.1600, from Latin paeon , from Greek paion (see paean ). Related: Paeonic .

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
paeon \p[ae]"on\ (p[=e]"[o^]n), n. [L. paeon, Gr. paiw`n a solemn song, also, a p[ae]on, equiv. to paia`n. See P[ae]an .] (Anc. Poet.) A foot of four syllables, one long and three short, admitting of four combinations, according to the place of the long ...