plural of at-sign

Having a signature; endorsed. / (mathematics, computer science) Having both positive and negative varieties. / (of a road, route) Furnished with signs and signposts; signposted.

simple past tense and past participle of sign

plural of sign

Third-person singular simple present indicative form of sign

present participle of sign

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

an asteroid discovered by Max Wolf on October 22, 1900

simple past tense and past participle of sign on

present participle of sign on