n. [ OE. astelle piece of wood, OF. astele splinter, shaving, F. attelle, astelle: cf. L. astula, dim. of assis board. ] (Mining) An arch, or ceiling, of boards, placed over the men's heads in a mine. [ 1913 Webster ]
[しんでん(P);あらた, shinden (P); arata] (n) (1) new rice field; newly developed rice field; (2) wasteland or marshland newly reclaimed as a rice field (Edo period); (P)#3502