ad·​it | \ ˈa-dət How to pronounce adit (audio) \

Definition of adit

: a nearly horizontal passage from the surface in a mine

Examples of adit in a Sentence

Recent Examples on the Web The second phase will involve closing the mine’s adits and shafts. USA TODAY, "Troll trail, coal train derailment, geyser record: News from around our 50 states," 27 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adit.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of adit

1602, in the meaning defined above

History and Etymology for adit

borrowed from Latin aditus "approach, entrance," from adi-, stem of adīre "to go to, approach" (from ad- ad- + īre "to go") + -tus, suffix of action nouns — more at issue entry 1

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Cite this Entry

“Adit.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

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