Definitions
from The Century Dictionary.
- noun A hollow horizontal septum in the furnace of a steam-boiler, which, being filled with water, forms a sort of water-bridge, under and over which the flame of the fuel is caused to pass.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Steam Boilers) A vertical water space in a fire box or combustion chamber.
- noun (Mining) A support for the center of a tunnel.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
vertical water space in afirebox orcombustion chamber within asteam boiler . - noun mining A
support for the centre of atunnel .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
mid- + feather
Support
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Examples
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-- The method of tenoning the bearers which carry the drawers, or the midfeather between two drawers, in a dressing table or similar carcase is here shown.
Woodwork Joints How they are Set Out, How Made and Where Used. William Fairham
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On completion, the tenons on the midfeather are wedged diagonally.
Woodwork Joints How they are Set Out, How Made and Where Used. William Fairham
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