'Iamb' definitions:

Definition of 'iamb'

From: WordNet
noun
A metrical unit with unstressed-stressed syllables [syn: iamb, iambus]

Definition of 'Iamb'

From: GCIDE
  • Iamb \I"amb\, n. [Cf. F. iambe. See Lambus.] An iambus or iambic. [R.] [1913 Webster]