Definitionen
1.VerbTo give (one's name), present (one's card) when making a social call.
2.VerbTo cause (something) to be delivered, especially by post/mail.
3.VerbTo send (someone) into the thick of things, as:"send in the cavalry; send in the clowns"
4.VerbTo send (troops) into battle.
5.VerbTo send (a batsman) onto the field to bat.