Wall

1. n. The country rock bounding a vein laterally.
2. n. A kind of knot often used at the end of a rope; a wall knot; a wale.
3. n. 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.
4. n. A defense; a rampart; a means of protection; in the plural, fortifications, in general; works for defense.
5. n. An inclosing part of a receptacle or vessel; as, the walls of a steam-engine cylinder.
6. n. The side of a level or drift.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.