Single section of a contest (4)

I believe the answer is:

heat

(Other definitions for heat that I've seen before include "Pressure" , "Provide warmth" , "Hotness" , "Preliminary round in a contest" , "High temperature" .)

I've seen this clue in The Mirror.

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.