noun. An almost horizontal entrance to a mine.

noun. An entrance or a passage; specifically, in mining, a nearly horizontal excavation, or drift (which see), specially used to conduct from the interior to the surface the water which either comes into the workings from above or is pumped up from below.

noun. Milit., a passage under ground by which miners approach the part they intend to sap. Wilhelm, Mil. Diet. Admission; access; approach.

noun. An entrance or passage. Specifically: The nearly horizontal opening by which a mine is entered, or by which water and ores are carried away; -- called also drift and tunnel.

noun. Admission; approach; access.

noun. A horizontal or nearly horizontal passage from the surface into a mine as contrasted to a shaft which is a vertical entry passage. An adit may be used for ventilation, haulage, drainage, or other purposes.

noun. a nearly horizontal passage from the surface into a mine

"The "adit" -- or water-conducting -- level by which the spot was reached commenced at the cliffs, on a level with the seashore, and ran into the interior until it reached the old mine, about"

passage  

hoagie  hunter-killer  imago  right  

access  access  admission  admission  admittance  

drift  tunnel