Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
anadromous is an adjective meaning "migrating from the sea to fresh water to spawn". It carries one recorded sense.
migrating from the sea to fresh water to spawn
Definitions, synonyms and semantic relations for anadromous come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.