Legion

n.
  1. (Rom. Antiq.) A body of foot soldiers and cavalry consisting of different numbers at different periods, -- from about four thousand to about six thousand men, -- the cavalry being about one tenth.
  2. A military force; an army; military bands.
  3. A great number; a multitude.
  4. (Taxonomy) A group of orders inferior to a class.
  5. Legion of honor ,
    an order instituted by the French government in 1802, when Bonaparte was First Consul, as a reward for merit, both civil and military.