
1) Orinoco feeder 2) Orinoco tributary 3) River in Venezuela 4) River into the Orinoco 5) Venezuelan state or river
Found on
https://www.crosswordclues.com/clue/apure

Apure State (Estado Apure, IPA) is one of the 23 states (estados) into which Venezuela is divided. Its territory formed part of the provinces of Mérida, Maracaibo, and Barinas, in accordance with successive territorial ordinations pronounced by the colonial authorities. In 1824 the Department of Apure was created, under jurisdiction of Barinas, w...
Found on
http://en.wikipedia.org/wiki/Apure

estado (state) in the Llanos (plains) of southwestern Venezuela. It is bounded on the north by Táchira, Barinas, and Guárico states and the Apure ...
Found on
http://www.britannica.com/eb/a-z/a/91

a river flowing E from W Venezuela to the Orinoco. ab. 500 mi. (805 km) long.
Found on
https://www.infoplease.com/dictionary/apure
No exact match found.