Definitions for pecosˈpeɪ kəs, -koʊs
Random House Webster's College Dictionary
Pe•cosˈpeɪ kəs, -koʊs(n.)
a river flowing SE from N New Mexico through W Texas to the Rio Grande. 735 mi. (1183 km) long.
Category: Geography (places)
Pecos, Pecos River(noun)
a tributary of the Rio Grande that flows southeastward from New Mexico through western Texas