There are many different synonyms for the term "freezer compartment", depending on the context in which the term is used. In general, some common synonyms for this term might include "freezer section", "freezer area", "frozen storage space", "freezer unit", or even simply "the freezer". Depending on the type of appliance in question, more specific synonyms might also be used, such as "ice box", "deep freeze", or "chest freezer". Overall, these different synonyms all refer to the same basic concept of a designated area within a refrigerator or other appliance that is used for the storage of frozen foods.