memorial
US /məˈmɔːr.i.əl/
UK /məˈmɔːr.i.əl/

1.
a structure or monument built to commemorate a person or event
:
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The city erected a new memorial to honor the fallen soldiers.
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The park contains a beautiful memorial garden.
1.
serving to preserve remembrance; commemorative
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A memorial service was held for the victims.
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The memorial plaque listed all the names.