/ Dictionary / Index C Conchos: Meaning and Definition of Find definitions for: Con•chos Pronunciation: (kôn'chôs Eng. kon'chōs), [key] — n. a river in NE Mexico, flowing E and N to the Rio Grande. ab. 350 mi. (565 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. conchology conchy Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language