The act of concluding a contract, especially by an athlete or entertainer with a company. / (by extension) A player signed by a sporting organization.

present participle of sign

(idiomatic) To sign one's name on a list when entering a place, to indicate one's arrival. / (computing) To take some action to access a secured program or web page on a computer; to log in.

Third-person singular simple present indicative form of sign in

present participle of sign in

Third-person singular simple present indicative form of sign on

simple past tense and past participle of sign in

present participle of sign on

simple past tense and past participle of sign on

an asteroid discovered by Max Wolf on October 22, 1900