rogation UK /ɹəʊˈɡeɪ.ʃən/US /ɹoʊˈɡeɪ.ʃən/ noun2 •A deeply serious and somber prayer or entreaty.He perfecteth the rogations or litanies before in use. — 1594 •(historical) The demand, by the consuls or tribunes, of a law to be passed by the people; a proposed law or decree. formsrogations