How do you spell Legion

Available Definitions:
1)  n. - 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)  n. - A military force; an army; military bands.
3)  n. - A great number; a multitude.
4)  n. - A group of orders inferior to a class.