降下

nounこうか · kouka

1. Englishdescent; fall; drop; (atmospheric) depression

   • その大型機は鋭い音を立ててほとんど直角に降下した。The giant plane screamed down in an almost vertical dive.

2. Englishpassing down (of an order, decree, etc.)

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)