洞窟

Traditional form:

洞窟

Pinyin (reading):

dòngkū

Definitions:

• a cave

Characters:

• 洞 - cave, grotto, hole, ravine
• 窟 - hole, cave; cellar; underground

Traditional characters:

• 洞 - cave, grotto, hole, ravine
• 窟 - hole, cave; cellar; underground