横よこ穴あな

noun

cave; tunnel; horizontal hole

Refers to a hole or tunnel that goes sideways into a surface, such as a cliff or hillside. Not a vertical pit.

• 山やまの斜しゃ面めんに横よこ穴あながいくつも見みえる。

  Several caves are visible on the mountainside.

• この横よこ穴あなは防ぼう空くう壕ごうとして使つかわれていた。

  This tunnel was used as an air-raid shelter.

noun

tunnel tomb; horizontal stone chamber (Kofun period)

Archaeological term for a burial chamber dug horizontally into a mound or hillside, typical of the late Kofun period.

• この古こ墳ふんの横よこ穴あな式しき石せき室しつから多おおくの副ふく葬そう品ひんが出しゅつ土どした。

  Many grave goods were excavated from the horizontal stone chamber of this kofun.