adit Meaning, Definition & Usage

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

WordNet

Ad"it noun
Etymology
L. aditus, fr. adire, aitum, to go to; ad + ire to go.
Definitions
  1. 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.
  2. Admission; approach; access. R.
    Yourself and yours shall have Free adit. Tennyson.

Webster 1913