noun, noun which may take the genitive case particle 'no'
right under; directly below
Describes a position exactly beneath something, often with a sense of immediacy or vertical alignment. Antonym: 真上 (right above).
See also: 真上
橋の真下を船が通った。
A boat passed right under the bridge.
真下から見上げると、塔がとても高く感じる。
When you look up from directly below, the tower feels very tall.
There is a small boat moored right under the bridge.
The subway runs directly beneath the station.
I stood right under the tree to shelter from the rain.