Correct spelling for the English word "bariron" is [bˈɑːɹa͡ɪ͡ən], [bˈɑːɹaɪən], [b_ˈɑː_ɹ_aɪə_n] (IPA phonetic alphabet).
A long thick rod of malleable iron prepared from pig-iron for the use of blacksmiths.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.