Question

In order to get into the office after hours, you'll have to sign in at the security desk.

Accepted Answer

(idiomatichttps://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic) To signhttps://en.wiktionary.org/wiki/sign one's name on a list when enteringhttps://en.wiktionary.org/wiki/enter somewhere.

Sentence	In order to get into the office after hours, you'll have to sign in at the security desk.
Definition	( idiomatic https://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic ) To sign https://en.wiktionary.org/wiki/sign one's name on a list when entering https://en.wiktionary.org/wiki/enter somewhere.

Order Office Hours Sign Security Desk One's List