Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
thought-image is a noun meaning "a mental image produced by the imagination". It carries one recorded sense.
a mental image produced by the imagination
Definitions, synonyms and semantic relations for thought-image come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.