(archaic) a structure surrounded by a moat or walls: a fortress, castle

to build, to construct

rare

flat land

plain weave fabric / part of a katana between its edge and ridge

flat land

(archaic) flat land

a castle built on level ground or flatland

a castle built on level ground or flatland

(historical) Pingcheng County during the Han and Northern Wei dynasties of ancient China, now part of Datong, Shanxi Province