Home heater, of a sort (4)

I believe the answer is:

oven

(Other definitions for oven that I've seen before include "Kitchen appliance" , "Cooking device" , "Kiln, cooker" , "Cooker; furnace" , "Stove" .)

I've seen this clue in The Wall Street Journal.

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.