Definitions
1.verbTo make a mark
2.verbTo make the sign of the cross
3.verbTo indicate
4.nounThe act of concluding a contract, especially by an athlete or entertainer with a company.
5.noun(by extension) A player signed by a sporting organization.
6.nounAn event (signing session) in a bookshop etc. where an author signs copies of his or her book.
7.nounThe use of sign language; skill at using a sign language.