Base tunnel

Noun

Word Frequency: 0.1

Definitions

1.NounA tunnel driven through the base of a mountain pass, rather than through the upper slopes of the mountains.

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.