Correct spelling for the English word "Musrole" is [mˈʌsɹə͡ʊl], [mˈʌsɹəʊl], [m_ˈʌ_s_ɹ_əʊ_l] (IPA phonetic alphabet).
The nose band of a horse's bridle.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.