The Final Moments Before a Significant Event
This page is the CodyCross answer for the clue below from London, Group 490, Puzzle 2 (Madame Tussauds).
Question is: The Final Moments Before a Significant Event
and the answer is: COUNTDOWN
Word Meaning:
COUNTDOWN — (astronautics) A count backward in fixed units to the time of some event, especially the launch of a space vehicle.
Definitions from Wiktionary.