Crossword Genius

Rio Grande tributary

Ross

I believe the answer is:

'rio grande tributary' is the definition.
(I've seen this in another clue)

This is the entire clue.

I've seen this clue in The Washington Post, the USA Today, the Thinks.com, the Newsday.com and the L.A. Times Daily.
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.