lunodrome
A large model of the lunar surface on which spacecraft intended to be launched to the moon are tested, especially in the former Soviet Union.
For quotations using this term, see Citations:lunodrome.
Where it comes from
From Russian лунодром (lunodrom), with the second element assimilated to -drome; compare cosmodrome.
Adapted from the Wiktionary entry lunodrome (CC BY-SA 4.0).