\Ro*ga"tion\, n. [L. rogatio, fr. rogare, rogatum, to
ask, beg, supplicate: cf. F. rogation. Cf. {Abrogate},
{Arrogant}, {Probogue}.]
1. (Rom. Antiq.) The demand, by the consuls or tribunes, of a
   law to be passed by the people; a proposed law or decree.
2. (Eccl.) Litany; supplication.
         He perfecteth the rogations or litanies before in
         use.                                  --Hooker.
{Rogation days} (Eccl.), the three days which immediately
   precede Ascension {Day}; -- so called as being days on
   which the people, walking in procession, sang litanies of
   special supplication.
{Rogation flower} (Bot.), a European species of milkwort
   ({Polygala vulgaris}); -- so called from its former use
   for garlands in Rogation week. --Dr. Prior.
{Rogation week}, the second week before Whitsunday, in which
   the Rogation days occur.