Meaning of “monument” - Learner’s Dictionary

monument

noun [ C ] uk us /ˈmɒnjəmənt/
REMEMBER

B2 a building or other structure that is built to make people remember an event in history or a famous person:

a national monument
They built the statue as a monument to all the soldiers who died.
OLD PLACE

B1 an old building or place that is important in history:

an ancient monument

(Definition of “monument” from the Cambridge Learner’s Dictionary © Cambridge University Press)