Midfeather Mid"feath`er, n. 1. (Steam Boilers) A vertical water space in a fire box or combustion chamber. [1913 Webster]

2. (Mining) A support for the center of a tunnel. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • midfeather — ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun Etymology: mid (I) + feather (projecting strip) : a longitudinal partition or division: as a. : a brick partition wall in a salt furnace b. : a vertical baffle in a beater or other papermaking machine of similar function …   Useful english dictionary

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