Noun

(en noun)

(UK, dialect) A shaft, conduit, adit, or gallery to drain a mine.

:* {{quote-book

, year=1881 , year_published= , edition= , editor= , author=United States Bureau of Foreign Commerce , title=Commercial Relations of the United States: Reports from the Consuls of the United States on the Commerce, Manufactures, Etc., of Their Consular Districts , chapter= citation , genre= , publisher=U.S. Government Printing Office , isbn= , page=494 , passage=… they have to advance the lower stulm' on each side of the tunnel … the advancement of the ' stulm , … it must be finished, including the graveling. }}

:* {{quote-book

, year=1932 , year_published=2008 , edition=Digitized , editor= , author= , title=Official Gazette of the United States Patent Office, Volume 414 , chapter= citation , genre= , publisher=U.S. Government Patent Office , isbn= , page=709 , passage=… an upper chamber, a stulm', a lower chamber in open communication with the lower end of the head shaft, and arranged at substantially the level of the '''stulm''', and a downwardly extending sill divinding the lower end of the shaft from the ' stulm so that the lower chamber is at normal pressure and the shaft is at negative pressure. }}

Noun

(en noun)

(UK, dialect) A framework of timber covered with boards to support rubbish or to protect miners from falling stones.

(Webster 1913)