plural of sign

Third-person singular simple present indicative form of sign

Third-person singular simple present indicative form of sign in

Third-person singular simple present indicative form of sign on

plural of at sign

plural of at-sign

The symbol @, most commonly used in e-mail addresses.

(sometimes also used uncountably) A perceptible (e.g. visible) indication. / (Canada, US, Australia, uncountable) Physical evidence left by an animal.

(transitive, now rare) To seal (a document etc.) with an identifying seal or symbol. / (transitive) To mark, to put or leave a mark on.

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