metrical foot consisting of one long syllable (as in classical verse) or stressed syllable (as in English verse) followed by one short or unstressed syllable, as in the word haṕ|˘py. Trochaic metres were extensively used in ancient Greek and Latin tragedy and comedy in a form, particularly favoured by Plautus and Terence, called trochaic catalectic tetrameter. Trochaic metres are not easily adapted to English verse. In long poems, such as Henry Wadsworth Longfellow's Song of Hiawatha, their overall effect is monotony. But they have been used with great effect in shorter poems, particularly by William Blake (Blake, William), as in his well-known poem “The Tyger”: