Part of the pelagic zone that extends from a depth of 1000 to 4000 meters (3300 to 13000 feet) below the ocean surface.
1Moments later we entered the " midnight zone" beyond 1,000 metres deep, where not even the faintest traces of sunlight remain.
2"Don't suppose you got any idea why one of your trucks is sitting in my No Parking five-a.m.to- midnight zone, mainland side?" Chip said.
Translations for midnight zone