From Longman Dictionary of Contemporary Englishiambi‧amb /ˈaɪæm $ ˈaɪæm, ˈaɪæmb/ (also iambus /aɪˈæmbəs/) noun [countable] technical ALa unit of rhythm in poetry, that has one short or weak beat followed by a long or strong beat, as in the word ‘alive’ —iambic /aɪˈæmbɪk/ adjectiveOrigin iamb (1800-1900) Latin iambus, from Greek iambos
