Definition of "landmark"
noun:
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A recognizable natural or man-made feature used for navigation.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A notable location with historical, cultural, or geographical significance.
from Wiktionary, Creative Commons Attribution/Share-Alike License -
A major, important event.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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verb:
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To officially designate a site or building as a landmark.
from Wiktionary, Creative Commons Attribution/Share-Alike License
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