Origin of adit
Examples from the Web for adit
We have cut the south lode at the adit level about 50 or 60 fathoms east of the engine, and have driven about 20 fathoms on it.Life of Richard Trevithick, Volume II (of 2)|Francis Trevithick
They went with him to the mouth of the adit and saw the shack outlined against a dazzling blaze.
It is also cheaper to drive an adit than to sink an incline.The Business of Mining|Arthur J. Hoskin
At nights their hands and backs were distressfully sore, but the adit they drove crept on steadily along the dip of the lode.
The adit of a military mine, is the aperture by which it is dug and charged: the name is also applied to an air-hole or drift.The Sailor's Word-Book|William Henry Smyth