Webster's Revised Unabridged Dictionary · 1913

Air shaft

Air shaft ({not transcribed})

A passage, usually vertical, for admitting fresh air into a mine or a tunnel.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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