verb (used with object)
- to remove the frost or ice from: to defrost a refrigerator; to defrost the windshield of a car.
- to thaw or partially thaw (frozen food).
verb (used without object)
- to become free of ice or frost: The refrigerator defrosted quickly.
- to thaw, as frozen food: The meat took two hours to defrost.
- to make or become free of frost or ice
- to thaw, esp through removal from a refrigerator