Crossword Genius

Way of writing overseas (7)

Ross

I believe the answer is:

airmail

(Other definitions for airmail that I've seen before include "Flying post?" , "I'm a liar (anag)" , "It's marked "par avion"" , "Letters sent up" , "overseas post?" .)

I've seen this clue in 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.