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Definition of Adit
1. Noun. A nearly horizontal passage from the surface into a mine.
Definition of Adit
1. n. 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.
Definition of Adit
1. 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. ¹
¹ Source: wiktionary.com
Definition of Adit
1. an entrance [n -S]