To thaw a frozen food so it is ready to cook.
Techniques to defrost include:
1) Leaving the item at room temperature, in a bowl or on a plate
2) Putting the item in a refrigerator, in a bowl or on a plate
3) Placing the item in a ziploc bag and in a large bowl or sink filled with warm water
4) Defrosting on low or "defrost" in the microwave