trunneln.
dialect form of trundle n. Also in combination trunnel-head n. U.S. a circular plate or disc at the head of a coke-oven or in a furnace. trunnel-hole n. the aperture or throat of a puddling furnace in which this disc works.
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society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > other parts of furnaces
sump1673
stoking-hole1683
stoking-place1744
mid-feather1748
bottoming hole1815
trunnel-head1819
keystone1821
vault1825
well1825
nose-hole1832
fore-stone1839
nose1839
tongs-carriage1839
tunnel-head1843
glory-hole1849
society > occupation and work > equipment > furnace or kiln > furnace > parts of furnace > [noun] > flues or parts of flues
boshes1686
worm1758
throat vent1839
take-down1850
baffler1861
trunnel-hole1868
velvet tree1875
baffle1881
throat1919
1819 E. Evans Pedestrious Tour 270 The cogs, wallower, the trunnel-head and the stones [of a grist-mill].
1839 Knickerbocker 13 345 Mill-wheels, and trunnel-heads.
1868 F. H. Joynson Metals in Constr. 16 The opening at the top of the furnace, called the throat or trunnel-hole.
18.. Amer. Manuf. LXII. 626 (Cent. Dict. Suppl.) The trunnel-head, or ring, is a much more important part of a coke oven than most people imagine.
This entry has not yet been fully updated (first published 1915; most recently modified version published online June 2019).
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n.1819