·noun A Chimney.
II. Lum ·noun A woody valley; also, a deep pool.
III. Lum ·noun A ventilating chimney over the shaft of a mine.
1) a woody valley. N. 2) the chimney of a cottage. Northumb. ...
A glossary of provincial and local words used in England by Francis Grose
chimney-sweepers. Northumb. ...