Passages sunk into the earth (10 letters) — Crossword Helper

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The Clue

Passages sunk into the earth (10 letter answer)

The Answer

MINESHAFTS

Tags

earth into mineshaft passage sunk

Notes

The answer MINESHAFTS is so rare that it appears less than once every 2500 puzzles.

Definition

MINESHAFT as a noun:

1. excavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine