World's third-largest river, by volume (5)

I believe the answer is:

congo

(Other definitions for congo that I've seen before include "African river/republic" , "former African nation" , "African river and region" , "Crazily entertaining" , "Central African country" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.