Luggage is all the bags and cases you take on a trip. Hand luggage, lost luggage, a piece of luggage.
It is uncountable — a piece of luggage, not a luggage — which trips up learners constantly. Baggage is the same thing and is preferred by airlines, while luggage is what shops sell. Wheels were not put on suitcases until the 1970s, which is a famous example of an obvious idea arriving late.
1nounluggageThe bags and cases taken on a trip.
“Please don't leave your luggage unattended anywhere in the airport.”
luggage is travel bags.
Also accepted in games: baggage
Lug plus -age, from the 1590s — literally what is lugged about. Baggage is formed the same way from bag.
Scots
lugge
Middle English
luggen
English
lug
English, today
luggage
Built from
1590s, lug + age, literally “that which is lugged, dragged around”. Compare baggage. lug comes from Middle English luggen, possibly from a Scandinavian/gmq - source, (compare Swedish lugga, Norwegian lugge); also in English dialectal as lig (“to lug”). Noun is via Scots lugge, probably from Old Norse - (compare Norwegian - and Swedish lugg). Probably related to slug (“lazy, slow-moving”), which may be from similar source(s).
Etymology from Wiktionary, CC BY-SA