flat time

The English word “flat time” has 2 meanings listed here.

noun

A term of incarceration that is to be served by a prisoner without the benefit of any credits of time or earned deductions.
The time during which the camera is not rolling or when no activity is occuring on the set.

Keep exploring: in the interactive dictionary every word of a definition is a link. Open “flat time” there

The English dictionary on Glottosphere has 650,529 entries with a page. Browse the English dictionary.

Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.