Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
v-1 is a noun meaning "a small jet-propelled winged missile that carries a bomb". It carries one recorded sense.
a small jet-propelled winged missile that carries a bomb
Definitions, synonyms and semantic relations for v-1 come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.