Polenta grain (4)

I believe the answer is:

corn

(Other definitions for corn that I've seen before include "Grain - thick skin" , "Trite jokes" , "Maize" , "falling on deaf ears?" , "Get drunk commonly" .)

I've seen this clue in the King Feature Syndicate.

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.