plural of soft sign

plural of sign bit

plural of take sign

plural of times sign

plus sign

plural of addition 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.

(computing, cryptography) The use of self-signed security certificates.

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