A magician might use a hidden one (6)

I believe the answer is:

pocket

(Other definitions for pocket that I've seen before include "Pouch; steal" , "Small bag; steal" , "Take for oneself" , "Snooker table opening" , "Take unlawfully" .)

I've seen this clue in The New York Times.

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.