mustachio (US) noun
or chiefly British moustachio /məˈstæʃiˌoʊ/ Brit /məˈstɑːʃiˌoʊ/ plural mustachios
or chiefly British moustachio /məˈstæʃiˌoʊ/ Brit /məˈstɑːʃiˌoʊ/ plural mustachios
Learner's definition of MUSTACHIO
[count] old-fashioned
— mustachioed
(US) or chiefly British moustachioed /məˈstæʃiˌoʊd/ Brit /məˈstɑːʃiˌoʊd/ adjective