洞
どう
[dou]
Meanings
1.Noun
《anatomy》sinus; cavity; antrum
2.Noun
neighborhood (administrative division in North Korea)
Other Readings
「洞」 has other readings with different meanings.
Examples
山の奥に大きな洞がある。
There's a big cave deep in the mountain.
洞の中は暗くて涼しかった。
Inside the cave was dark and cool.
子供たちが洞の入り口で遊んでいたよ。
The kids were playing at the entrance of the cave.