Englishfor English speakers
in
Preposition
—
Used to show that something is inside something else.
The cat is in the box.
—
Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
—
Used to show movement towards the inside.
The rain came in through the window.
Kuban
properNoun
—
A river in Russia, in the North Caucasus. It flows through the Karachay-Cherkessia, Stavropol Krai Krasnodar Krai, and Adygea.
—
(by extension) a geographic region of Southern Russia surrounding the Kuban River, on the Black Sea between the Don Steppe, Volga delta and the Caucasus.
—
historic region