(Kelly reads another clue with the monitor.) In poetry, it's a foot or metrical unit consisting of an unstressed followed by a stressed syllable
[DOC] [TLE] Proceedings of the Phonetics Teaching and Learning ... - UCL [PAR] Aug 10, 2013 ... history of phonetics teaching, and of its practical ..... consist of three vowels and 
three consonants (the .... particularly in front of other learners, and that the FL .... '
th' sound, so I was really stressed reading all those ..... reintroduced in 
unstressed syllables [1] as contrary .... Rhymes and Rhythm: A Poem-.