A separate freezer refers to a freezer unit that is not connected to a refrigerator. It is a standalone appliance designed specifically for freezing and storing food. Full definition
Transfer half the soup and half the cooked rice to separate freezer bags and freeze for up to 1 month. (womansday.com)
They have a toilet, shower, cooking facilities, large refrigerator with separate freezer, television, microwave oven and air conditioning. (wikiaustralia.com)
To freeze pizza dough, place the pizza dough balls into 3 separate freezer bags and seal. (onedishkitchen.com)