Definition of "lum"

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, Alexander Ross, “Canto I”, in The Fortunate Shepherdess, a Pastoral Tale; in Three Cantos, in the Scotish Dialect. […], Aberdeen, Aberdeenshire: […] Francis Douglas, page 50

He bleez'd ovvre her, an' ſhe ovvre him, / As they vvad never mair part, / Till, fuff! he ſtarted up the lum, / An' Jean had e'en a ſair heart / To ſee't that night.

1785 (date written), Robert Burns, “Halloween”, in Poems, Chiefly in the Scottish Dialect. […], 2nd edition, volume I, Edinburgh: […] T[homas] Cadell, […], and William Creech, […], published 1793, stanza VIII, page 178

Sae, I wad not trust mysell with another look at poor Woodend, for the very blue reek that came out of the lum-head pat me in mind of the change of market-days with us.

1818 July 25, Jedadiah Cleishbotham [pseudonym; Walter Scott], chapter II, in Tales of My Landlord, Second Series, […] (The Heart of Mid-Lothian), volume III, Edinburgh: […] [James Ballantyne and Co.] for Archibald Constable and Company, page 32

Down the broad lum / Came melting flakes that hiss'd upon the coal; / Under my eyelids blew the blinding smoke, / And for a time I sat like one bewitch'd, / Still as a stone.

1865 March, [Robert Williams Buchanan], “Willie Baird: A Winter Idyll”, in The Cornhill Magazine, volume XI, number 63, London: Smith, Elder & Co., […], page 361

Two "lums" on the ridge served the double purpose of letting out the smoke and in the light. […] A new peat fire had been put on, and the day being calm, the lazy smoke seemed more inclined to remain inside than to go out the lums, as it ought to have done.

1877, G. S. L. [pseudonym; George Sinclair of Leith], chapter VI, in Shetland Fireside Tales; or, The Hermit of Trosswickness, Edinburgh: Edinburgh Publishing Company; London: Simpkin, Marshall, & Co., page 41

"I heard a boy there speak of soot. Where is soot to be had?" / "Up lums, said Weepie, laughing. / […] / "But why not let it stay in the lums?" / "'Cause it wad come doon and splairge the parritch and the broth, and maybe set the lum on fire."

, [George Jacque], “Weepie with Other Boys Fulfil Their Appointment”, in The Sweep’s Apprentice. […], Edinburgh: Religious Book and Tract Society of Scotland, […], page 18

And out they would tramp, young Ewan in bed, the night black under their feet as cold pitch, about them the whistle and moan of trees till they cleared the Manse and went up by the Mains, with the smell of the dung from its hot cattle-court, and the smell of the burning wood in its lums.

1933 July, Lewis Grassic Gibbon [pseudonym; James Leslie Mitchell], “Cirrus”, in Cloud Howe, London: Jarrolds Publishers […], page 30

The Kettle Wells are two lums, situated in Bonson's Wood, near Stanmore, which are not surpassed for Elysian beauty. The fall of the water into the first well is inconsiderable; but that continually empties itself into the lum below, over a smooth precipice of thirty feet.

1830 September 4, W. H. H., “The ‘Lums’ of Westmoreland”, in The Mirror of Literature, Amusement, and Instruction, volume XVI, number 449, London: […] J[ohn] Limbird, […], page 188, column 2