Also called entry. Mining. a nearly horizontal passage leading into a mine.
3.
an approach or access.
Origin
1595-1605; < Latinaditus an approach, equivalent to ad-ad- + -i- (stem of īre to go) + -tus suffix of v. action
Examples from the web for adit
From the adit two incline raises were excavated to the surface.
The adit would be excavated back to competent material and a cement bulkhead would be constructed to seal off the entrance.
The gate on the lower adit is still in place and functioning, but the gate on the upper adit is in need of complete replacement.
The first, main adit appears to have been used as both a workshop and sleeping area.
British Dictionary definitions for adit
adit
/ˈædɪt/
noun
1.
an almost horizontal shaft into a mine, for access or drainage
Word Origin
C17: from Latin aditus an approach, from adīre, from ad- towards + īre to go
Word Origin and History for adit
n.
"entrance," c.1600, from Latin aditus "approach, entrance, a going to or drawing near," from past participle stem of adire "to approach," from ad- "to" (see ad-) + ire "to go," from PIE root *ei- "to go" (see ion).
Encyclopedia Article for adit
a horizontal or near-horizontal passage driven from the Earth's surface into the side of a ridge or mountain for the purpose of working, ventilating, or removing water from a mine.
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