What is Mineshaft?
1.
1. Means of access to lower regions of a subterranean ore mine.
2. A
1. "The miners descended into the dimly lit mineshaft, their eyes staring blankly ahead, aware of only the grueling tasks that await them farther down the tracks."
2. "Walter pumped feverishly, only to realize that his hopes of climax were in fact nothing but pipe dreams. Yet again the flame of confidence lit upon his tiny candle had been mercilessly extinguished by the musty gale blowing from Martha's mineshaft."
See