a metrical foot consisting, in Greek and Latin verse, of one long syllable followed by one short one, or, as in English verse, of one accented syllable followed by one unaccented one (Ex.: “Pétĕr, | Pétĕr, | púmpkĭn | éatĕr”)
See trochee in American Heritage Dictionary 4
(trōˈkē)
noun
A metrical foot consisting of a stressed syllable followed by an unstressed syllable, as in season, or of a long syllable followed by a short syllable.