How do you spell Tout

Available Definitions:
1)  v. i. - To act as a tout. See 2d Tout.
2)  v. i. - To ply or seek for customers.
3)  n. - One who secretly watches race horses which are in course of training, to get information about their capabilities, for use in betting.
4)  v. i. - To toot a horn.
5)  n. - The anus.