noun
luggage, baggage
A1
Gepäck: 'luggage' or 'baggage'. Neuter noun (das Gepäck), typically mass/uncountable with no everyday plural; you say pieces of luggage (die Gepäckstücke) for items. Genitive singular des Gepäcks. Used at airports and stations; plural form usually not used. It is treated grammatically as singular in German.
Examples
Die Reisenden gaben das Gepäck am Schalter auf, weil der Zug bald abfuhr.
The travelers checked in the luggage at the counter because the train was leaving soon.
Bitte stellen Sie Ihr Gepäck auf die Waage.
Please put your baggage on the scale.
Ihr Gepäck ist am Flughafen angekommen.
Her luggage has arrived at the airport.
Details
Mnemonics
Picture suitcases stacked at an airport labeled 'Gepäck'
Gepäck → 'ge-pack' think of a pack (luggage)
das → like 'das Gepäck' (collective, neuter)
Notes
Usually a collective, uncountable noun (no common plural). | Singular-only (collective) noun; plural forms are not applicable.