Provides security, shelter, or soundproofing; A vertical structure, often made of stone or brick, that divides or surrounds something: Politics, economics, markets, life & arts, and in-depth reporting. Wall synonyms, wall pronunciation, wall translation, english dictionary definition of wall. And around the world at wsj. com. There are various types of walls, including … Click for more definitions. The meaning of wall is a high thick masonry structure forming a long rampart or an enclosure chiefly for defense —often used in plural. An upright structure of masonry, wood, plaster, or other building material serving to … A wall is a structure and a surface that defines an area; Or serves a decorative purpose. How to use wall in a sentence. Breaking news and analysis from the u. s. A vertical construction made of stone, brick, wood, etc, with a length and height much greater than its.