Brazilian basin (6)

I believe the answer is:

amazon

(Other definitions for amazon that I've seen before include "Female warrior of Greek myth" , "woman soldier" , "Great river of S America, or a tough woman" , "Mythical woman warrior and river" , "Mythic woman warrior" .)

I've seen this clue in The Sun.

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.