Definition of V-1 in English:

V-1

Pronunciation /ˌvēˈwən/ /ˌviˈwən/

noun

  • A small flying bomb powered by a simple jet engine, used by the Germans in World War II.

    Also called doodlebug

    ‘When Churchill first learned about the V-1 he was so alarmed that he advocated using poison gas against Germany.’
    • ‘After the V-1 reached its target on automatic pilot, its engine cut out and it fell from the sky.’
    • ‘As a substitute for conventional bombing capability, the V-1 had a number of shortcomings.’

Origin

Abbreviation of German Vergeltungswaffe ‘reprisal weapon’.