Dictionary.net

a layer of material that encloses space; "the walls of the cylinder were perforated"; "the container's walls were blue"

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

a difficult or awkward situation; "his back was to the wall"; "competition was pushing them to the wall"

anything that suggests a wall in structure or function or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"; "negotiations ran into a brick wall"

a layer of material that encloses space; "the walls of the cylinder were perforated"; "the container's walls were blue"

anything that suggests a wall in structure or effect; "a wall of water"; "a wall of smoke"; "a wall of prejudice"

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

a difficult or awkward situation; "his back was to the wall"; "competition was pushing them to the wall"

A work or structure of stone, brick, or other materials, raised to some height, and intended for defense or security, solid and permanent inclosing fence, as around a field, a park, a town, etc., also, one of the upright inclosing parts of a building or a room.

A defense; a rampart; a means of protection; in the plural, fortifications, in general; works for defense.

An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder.

The side of a level or drift.

The country rock bounding a vein laterally.

To inclose with a wall, or as with a wall.

To defend by walls, or as if by walls; to fortify.

To close or fill with a wall, as a doorway.

A work or structure of stone, brick, or other materials, raised to some height, and intended for defense or security, solid and permanent inclosing fence, as around a field, a park, a town, etc., also, one of the upright inclosing parts of a building or a room.

A defense; a rampart; a means of protection; in the plural, fortifications, in general; works for defense.

An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder.

The side of a level or drift.

The country rock bounding a vein laterally.

To inclose with a wall, or as with a wall.

To defend by walls, or as if by walls; to fortify.

To close or fill with a wall, as a doorway.

A solid fence of stone, brick, etc.; the outside structure which incloses a building; a partition forming the side of a room; a structure for defense; means of protection.

To surround with, or as with, a structure for inclosure, security, or defense.

Paries, an investing part enclosing a cavity such as the chest or abdomen.

An erection of brick, stone, etc., for a fence or security: the side of a building: (fig.) defence, means of security:-pl. fortifications.

To inclose with or as with a wall: to defend with walls.

Fence of brick or stone: side of a building.

To inclose with, or as with, a wall; fortify.

To provide with a wall; enclose; fortify; defend.

A continuous structure, as for the side of a house, vessel, etc.; also, a fence of stone or masonry.

Fortifications in general.

A work or structure of stone, brick, or other material, intended for defence or secrecy; the side of a building or apartment; a defence or means of security.

To inclose with or defend by a wall. To go to the wall, to get the worst of it. To take the wall, to take the upper or most honourable place.

An inclosing or limiting structure.

n. [Anglo-Saxon, Latin]A solid and permanent inclosing fence, as around a field, a park, a town, or the like ; also, one of the upright inclosing parts of a building or room ;—pl. Fortifications in general ; works for defence ;- hence, a defence ; means of security and protection.