Correct spelling for the English word "Consulage" is [kˈɒnsuːlɪd͡ʒ], [kˈɒnsuːlɪdʒ], [k_ˈɒ_n_s_uː_l_ɪ_dʒ] (IPA phonetic alphabet).
A duty laid on imports and exports by the consul of a port.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.