\Am"phi*brach\ ([a^]m"f[i^]*br[a^]k), n. [L. ?, Gr. ?
short at both ends; 'amfi` + brachy`s short.] (Anc. Pros.)
A foot of three syllables, the middle one long, the first and
last short ([crescent] -- [crescent]); as, h[a^]b[=e]r[e^].
In modern prosody the accented syllable takes the place of
the long and the unaccented of the short; as, pro-phet"ic.