Defrost, in the context of a windshield setting, refers to the action of removing or melting ice or frost from the windshield of a vehicle. It is usually done by activating a specific setting or function in the vehicle's heating and ventilation system.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Windshield setting. Explanations are generated by AI and may be inaccurate.