Definition of: wall

(wôl) noun
1. A continuous structure, as of stone or brick, designed to enclose an area, to provide defense or security, or to be the surrounding exterior of a house or a partition between rooms or halls; also, a fence of stone or brickwork, surrounding or separating yards, fields, etc. ♦ Collateral adjective: mural.
2. A barrier or rampart constructed for defense; in the plural, fortifications.
3. A sea wall; levee.
4. The side of any cavity, vessel, or receptacle; a parietal surface: the walls of the abdomen.
5. Something suggestive of a wall or barrier: a wall of bayonets. See synonyms under RAMPART.
—to drive, push, or thrust to the wall To force (one) to an extremity; crush.
—to go to the wall To be pressed or driven to an extremity; be forced to yield.
—to take the wall To take the inner side of the walk; hence, to take a rude advantage.
—v.t.
1. To provide, surround, protect, etc., with or as with a wall or walls.
2. To fill or block with a wall: often with up.
—adjective Of or pertaining to a wall; hanging or growing on a wall [OE weall, wall <L vallum a rampart <vallus a stake, palisade]
Wall may appear as the first element in two–word phrases: