Rogation /(?)/

Ro·ga·tion

Rogation

n.
  1. The demand, by the consuls or tribunes, of a law to be passed by the people; a proposed law or decree. (Rom. Antiq.)
  2. Litany; supplication. (Eccl.)
    He perfecteth the rogations or litanies before in use.

Phrases & Compounds
Rogation days
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
a European species of milkwort (Polygala vulgaris); -- so called from its former use for garlands in Rogation week.
Rogation week
the second week before Whitsunday, in which the Rogation days occur.