astel
As"tel, n. Etym: [OE. astelle piece of wood, OF. astele splinter, shaving, F. attelle, astelle: cf. L. astula, dim. of assis board.] (Mining) Defn: An arch, or ceiling, of boards, placed over the men's heads in a mine.
As"tel, n. Etym: [OE. astelle piece of wood, OF. astele splinter, shaving, F. attelle, astelle: cf. L. astula, dim. of assis board.] (Mining) Defn: An arch, or ceiling, of boards, placed over the men's heads in a mine.