[n] a metrical unit with unstressed-stressed-unstressed syllables (e.g., `remember')
\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.