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