Correct spelling for the English word "Multifiorous" is [mˌʌltɪfɪˈɔːɹəs], [mˌʌltɪfɪˈɔːɹəs], [m_ˌʌ_l_t_ɪ_f_ɪ__ˈɔː_ɹ_ə_s] (IPA phonetic alphabet).
Having many flowers.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.