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
c. : a support between adjacent mine tunnels