Correct spelling for the English word "limacious" is [lɪmˈe͡ɪʃəs], [lɪmˈeɪʃəs], [l_ɪ_m_ˈeɪ_ʃ_ə_s] (IPA phonetic alphabet).
Of or resembling the slug or naked snail.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.