/ Dictionary / Index C cimarron: Meaning and Definition of Find definitions for: cim•ar•ron Pronunciation: (sim'u-ron", -rōn", -ur-un sim"u-rōn'), [key] — n. bighorn. Cim•ar•ron Pronunciation: (sim'u-ron", -rōn", -ur-un&wdspcsim"u-rōn'), [key] — n. a river flowing E from NE New Mexico to the Arkansas River in Oklahoma. 600 mi. (965 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cimarron (Thesaurus) Cimarosa cimbalom Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language