Syllable division and stress derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
pass-through is a noun meaning "an opening that resembles a window between two rooms (especially a shelved opening between a kitchen and dining room that is used to pass dishes)". It carries one recorded sense.
an opening that resembles a window between two rooms (especially a shelved opening between a kitchen and dining room that is used to pass dishes)
Definitions, synonyms and semantic relations for pass-through come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. .