Crossword Genius

Signal yes (3)

Ross

I believe the answer is:

nod

(Other definitions for nod that I've seen before include "OT land" , "Show recognition" , "slight bow" , "Asleep in the land" , "Sign of assent or salutation" .)

I've seen this clue in The Telegraph and the Penny Press.
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.