洞口

Traditional form:

洞口

Pinyin (reading):

dòngkǒu

Definitions:

• cave mouth
• tunnel entrance

Characters:

• 洞 - cave, grotto, hole, ravine
• 口 - mouth; entrance, gate, opening

Traditional characters:

• 洞 - cave, grotto, hole, ravine
• 口 - mouth; entrance, gate, opening