V1

WordReference Random House Unabridged Dictionary of American English © 2026

V-1  (vē′wun′), n., pl. V- 1's.

1. Military a robot bomb developed by the Germans in World War II and launched from bases on the ground, chiefly against England.

Also, V-one. 

• German V(ergeltungswaffe) retaliation weapon

Collins Concise English Dictionary © HarperCollins Publishers::

V-1 noun

1. a robot bomb invented by the Germans in World War II: used esp to bombard London. It was propelled by a pulsejet
   Also called: doodlebug, buzz bomb, flying bomb

Etymology: from German Vergeltungswaffe revenge weapon