天險 [－险]

Jyutping tin1 him2
Pinyin tiān xiǎn

Definitions (CC-CEDICT)
  1. a natural stronghold
Definitions (Wiktionary)
  1. noun
    natural terrain that is precipitous and in a strategic position
Definitions (Kaifangcidian)
  1. （沒有對應漢語詞彙）
Examples (Wiktionary)
  1. Mandarin
    天险
    天險
    tiān xiǎn
    • natural terrain that is precipitous and in a strategic position