Dictionary.com
Thesaurus.com

isocolon

American  
[ahy-suh-koh-luhn] / ˈaɪ səˌkoʊ lən /

noun

Rhetoric.

plural

isocola
  1. a figure of speech or sentence having a parallel structure formed by the use of two or more clauses, or cola, of similar length, as “The bigger they are, the harder they fall.”


Etymology

Origin of isocolon

1550–60; < Greek isókōlon, from neuter of isókōlos “of equal members,” equivalent to iso- (meaning “equal”) + colon 1 (in the sense “a rhythmic measure within a prosodic sequence”)