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dimeter

American  
[dim-i-ter] / ˈdɪm ɪ tər /

noun

Prosody.
  1. a verse or line of two measures or feet, as He is gone on the mountain,/He is lost to the forest.


dimeter British  
/ ˈdɪmɪtə /

noun

  1. prosody a line of verse consisting of two metrical feet or a verse written in this metre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of dimeter

1580–90; < Late Latin dimeter < Greek dímetros of two measures, a dimeter, equivalent to di- di- 1 + -metros, adj. derivative of métron meter 1