Correct spelling for the English word "milrea" is [mɪlɹˈi͡ə], [mɪlɹˈiə], [m_ɪ_l_ɹ_ˈiə] (IPA phonetic alphabet).
A Portuguese coin equal to about 2s. 3d.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.