Crossword Genius

React (anag.) (5)

Ross

I believe the answer is:

trace

(Other definitions for trace that I've seen before include "Side strap connecting a horse to what it's pulling" , "Detect - a small amount" , "Track down or make copy" , "Hunt down" , "a little bit" .)

I've seen this clue in The Telegraph and The Guardian.
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.