an architectural partition with a height and length greater than its thickness; used to divide or enclose an area or to support another structure

an embankment built around a space for defensive purposes

同义词：rampart??/??bulwark

anything that suggests a wall in structure or function or effect

a masonry fence (as around an estate or garden)

(anatomy) a layer (a lining or membrane) that encloses a structure

同义词：paries

a vertical (or almost vertical) smooth rock face (as of a cave or mountain)

a layer of material that encloses space

a difficult or awkward situation

surround with a wall in order to fortify

同义词：palisade??/??fence??/??fence in??/??surround