M / mŏdimpĕrātor
noun hapax

mŏdimpĕrātor

gen. mŏdimpĕrātōris · gender masculine · decl. 3rd
for modi imperator
the president; chairman of a convivial party
the president or chairman of a convivial party, who prescribes the quantity to be drunk (the magister bibendi, the Greek συμποσίαρχος): potandi modimperatores, Varr. ap. Non. 142, 7.