From Longman Dictionary of Contemporary Englishluggagelug‧gage /ˈlʌɡɪdʒ/ ●●○ noun [uncountable] DLTTthe cases, bags etc that you carry when you are travelling syn baggage American English They searched his luggage for illegal drugs. → hand luggageTHESAURUSluggage the cases, bags etc that you carry when you are travellingheavy luggageSecurity officers checked every piece of luggage.baggage the cases, bags etc that you carry when you are travelling – used especially when the bags are being looked after by an airline, train company etcCheck your baggage in at the desk.He’s a baggage handler for British Airways.The airline charges for excess baggage (=things that weigh more than the amount that you allowed to take with you on a plane).Some of their baggage was stolen.bags bags that you carry when you are travellingThey were packing their bags ready for the trip.things/stuff informal all the things that someone has with them when they are travellingHe put the stuff in the car and started to drive away.Have you got your things?• Luggage is an uncountable noun and is not used in the plural. You say: He carried our luggage to our room. ✗Don’t say: He carried our luggages to our room.• Luggage is always followed by a singular verb: What happens if my luggage gets lost?• When talking about one suitcase or bag, you say a piece of luggage or an item of luggage: Each piece of luggage can weigh up to 20 kilos.
Examples from the Corpusluggage• Some bring aboard luggage so large it has its own wheels.• I could see her working out how many jars she'd be able to carry in her hand luggage.• Two other boats followed with his luggage.• Comprehensive ticket wallet including luggage labels, exclusive full colour street map of Amsterdam and detailed travel itinerary.• A trail of missed connections and mislaid luggage follows these travelers.• From now on, we will hand-search more luggage and screen more bags.• There were 28 hijackings of U-S. passenger aircraft in 1972, despite profiling to determine whose carry-on luggage would be X-rayed.• He recommends losing as much of Earth's luggage as possible.