# check-in

> English word · Noun

## Definitions
1. The act of checking in at a hotel, airport, etc.
2. The submission of source code or other material to a source control repository.
3. The act of contacting another person in order to keep them informed of one's situation.

## Etymology
Deverbal from check in.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/check-in