iambic pentameter

Definitions

(Noun) A rhythm often used in dramatic writings (esp. of those by Shakespeare), in which there are 10 syllables per line, spoken to a rhythm much like a heartbeat, with every other syllable exaggerated, or accented.
da-DUM da-DUM da-DUM da-DUM da-DUM
(of a heartbeat)

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(Noun) A rhythm used in writing such as dramatic play often used by Shakespeare in which there are ten syllables per line, spoken to the rhythm of a heartbeat.