Englishfor English speakers
centennial
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noun
the 100th anniversary (or the celebration of it)
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adjective
of or relating to or completing a period of 100 years
centennial celebration
hall
Noun
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A hall is a large space with a roof and walls. It can be a kind of large building, or a room or part of a building. Most commonly, it is the area just inside the front door.
Please leave your boots in the front hall.