坑内掘りこうないぼり Noun English jmdict 1 noun (common) (futsuumeishi) underground mining See also: 露天掘り (ろてんぼり)
掘るほる Common Godan Transitive Español jmdict 1 Godan verb with 'ru' ending transitive verb excavar English jmdict 1 Godan verb with 'ru' ending transitive verb to dig;to excavate;to hollow 彼らは穴をあけて石油を掘り当てようとした。 They intended to drill for oil. 2 Godan verb with 'ru' ending transitive verb to delve into 3 Godan verb with 'ru' ending transitive verb to dig up (vegetables, treasure, etc.);to mine (coal, ore, etc.) ジャガイモを掘ったことがありますか。 Have you dug up potatoes? 4 Godan verb with 'ru' ending transitive verb slang vulgar expression or word to top;to take the active role in anal sex (with another man)