pentameter
From Longman Dictionary of Contemporary EnglishRelated topics: Literaturepentameterpen‧tam‧e‧ter /penˈtæmɪtə $ -ər/ noun [countable, uncountable] ALa line of poetry with five beats, or the beat of a poem like this → iambic pentameterExamples from the Corpuspentameter• It is written in basic pentameter with exactly ten stressed syllables in every single line.• Then he began a speech, and it could have been iambic pentameter.