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