The spelling of the word "Cavazion" may seem peculiar, but it follows the rules of English phonetics. The letter "c" is pronounced as /k/, while "a" is pronounced as /æ/. The combination of "va" is pronounced as /veɪ/, and "zi" is pronounced as /ʒi/, with "on" being pronounced as /ɑn/. Altogether, "Cavazion" is pronounced as /kæ'veɪ.ʒi.ɑn/. Despite its unusual spelling, the word itself does not have a commonly accepted definition or usage.
In arch., an excavation for the foundation of a building or for cellarage.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.