Crossword Genius

"Chestnuts roasting ___ open fire"

Ross

I believe the answer is:

onan

(Another definition for onan that I've seen is " Judah's second son".)

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.