Meaning of “reconstruction” - Learner’s Dictionary

reconstruction

noun [ C, U ] uk us /ˌriːkənˈstrʌkʃən/
PAST EVENT

the process of creating a description of a past event using all the information that you have:

A reconstruction of the crime was shown on TV.
BUILD AGAIN

the process of building something again after it has been damaged or destroyed

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