Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
on-the-scene is an adjective meaning "at the scene of action". It carries one recorded sense.
at the scene of action
“an on-the-spot reporter”
“on-the-spot inspections”
“an on-the scene newscast”
Definitions, synonyms and semantic relations for on-the-scene come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.