sign-in

[sahyn-in]

noun

an act, an instance, or a time of signing in.

Origin of sign-in

First recorded in 1945–50; noun use of verb phrase sign in

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sign-in

Contemporary Examples of sign-in

Richardson disguised model consent forms as “sign-in” papers for a topless shoot.
How Terry Richardson Paid His Way Out of Trouble
The Daily Beast
June 17, 2014

Word Origin and History for sign-in

n.

1968, from the verbal phrase; see sign (v.) + in (adv.).

Online Etymology Dictionary, © 2010 Douglas Harper