dà​běn​yíng

headquarters

大本营 (大本營) dà​běn​yíng
headquarters noun
the main command center or administrative office of a military unit, political party, or organization

The political party used this place as its base during the election.

base camp noun
a central camp serving as a starting point or storage hub for expeditions, especially in mountain climbing

The climbing team rested at the Everest base camp for two days.

Frequency

Movie subtitles
1.94 per million appears in 1% of films
Written text
6.03 per million

Sources

Definitions
CC-CEDICT