clock in
Proposed by a contributor, not yet supported by evidence.
Meaning · English
to start work and record one's arrival time
Literally: registering the time on a clock
Where it’s used:
Used
Widespread English
Examples
There is no clock in my room.Trong phòng tôi không có đồng hồ.
Tatoeba sentence #251763 (CC BY 2.0 FR, tatoeba.org, retrieved 2026-07-31)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “clock in” mean?
to start work and record one's arrival time Literally: registering the time on a clock
Is “clock in” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.