How to read: たてあな
Pronunciation: 
Same names and idioms in reading:
縦孔 縦穴 竪穴 堅穴
Names and idioms with total stroke of 19:
那津子 筈尾 超男 鏁 取り放く
Names and idioms similar to 堅坑:
坑内 目堅 窪坑 堅間 排水坑
Yojijukugo(idioms with 4 Kanji characters) including 堅坑:
堅白異同 焚書坑儒 堅白同異