Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
walk-through is a noun meaning "a thorough explanation (usually accompanied by a demonstration) of each step in a procedure or process". It carries 4 recorded senses.
a thorough explanation (usually accompanied by a demonstration) of each step in a procedure or process
“she gave me a walk-through of my new duties”
a pedestrian passageway through the ground floor of a building
a first perfunctory rehearsal of a theatrical production in which actors read their lines from the script and move as directed
the act of walking in order to view something
“the realtor took her on a walk-through of the apartment”
Definitions, synonyms and semantic relations for walk-through come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.