a sign showing the name of a street, usually placed at a street corner.

plural of sign on

plural of sign bit

plus sign

Alternative spelling of signoff

(computing, cryptography) Of a security certificate: signed by the same entity whose identity it certifies; signed with its own private key.

(medicine) A way to detect irritated nerves, by percussing over the nerve to elicit a tingling sensation.

(US, slang, dated) doughnuts

An authentic signature; (especially), the signature of a sovereign, used to validate a formal document.

(medicine) The presence of Koplik's spots.