Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
fly-by is a noun meaning "a flight at a low altitude (usually of military aircraft) over spectators on the ground". It carries one recorded sense.
Definitions, synonyms and semantic relations for fly-by come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.