a kind of knot often used at the end of a rope; a wall knot; a wale.-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.