lum

noun4

1. •
   (Scotland, Northern-England) A chimney; also, the top part of a chimney.

   • Now, by this time, the sun begins to leam, / An' litt the hill-heads, wi' his morning beam, / An' birds, and beasts, and fouk to be asteer, / And streams o' reek frae lumb heads to appear; […] — 1768
2. •
   (Scotland, Northern-England) A ventilating chimney over the shaft of a mine.
3. •
   (dialect, Scotland) A deep pool, especially one in a riverbed.
4. •
   (dialect, Scotland) A grove or wood; also, a woody valley.