When travelling by plane, checking in your baggage is an essential part of the process. Other synonyms for baggage check include luggage check, baggage drop-off or simply luggage check-in. The term baggage claim refers to the area where bags are collected after arriving at your destination. Additionally, you might hear the term baggage tag, which refers to the label with a unique code that's attached to your checked baggage to help airlines identify and track it. Whether you call it baggage check or luggage check, the bottom line is that checking in your bags is an important step in ensuring a stress-free travel experience.