Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary
1

wall

play
noun \ˈwȯl\

Simple Definition of wall

  • : a structure of brick, stone, etc., that surrounds an area or separates one area from another

  • : the structure that forms the side of a room or building

  • : the outer layer of something that is hollow (such as a part of the body or of a plant)

Source: Merriam-Webster's Learner's Dictionary

Full Definition of wall

  1. 1 a :  a high thick masonry structure forming a long rampart or an enclosure chiefly for defense —often used in plural b :  a masonry fence around a garden, park, or estate c :  a structure that serves to hold back pressure (as of water or sliding earth)

  2. 2 :  one of the sides of a room or building connecting floor and ceiling or foundation and roof

  3. 3 :  the side of a footpath next to buildings

  4. 4 :  an extreme or desperate position or a state of defeat, failure, or ruin <the surrounded troops had their backs against the wall>

  5. 5 :  a material layer enclosing space <the wall of a container> <heart walls>

  6. 6 :  something resembling a wall (as in appearance, function, or effect); especially :  something that acts as a barrier or defense <a wall of reserve> <tariff wall>

wall–like

play \ˈwȯl-ˌlīk\ adjective

off the wall

  1. slang :  crazy <the plan was off the wall>

up the wall

  1. slang :  into a state of intense agitation, annoyance, or frustration <the noise drove me up the wall>

Examples of wall in a sentence

  1. A stone wall marks off their property.

  2. the Great Wall of China

  3. the walls of the ancient city

  4. She hung posters on the walls of her room.

  5. This apartment building has thin walls, and you can hear everything your neighbors say.

  6. Muscles in the abdominal wall help protect organs.



Origin and Etymology of wall

Middle English, from Old English weall; akin to Middle High German wall; both from Latin vallum rampart, from vallus stake, palisade; perhaps akin to Old Norse vǫlr staff — more at wale


First Known Use: before 12th century

Other Civil Engineering Terms


2

wall

verb

Definition of wall

  1. transitive verb
  2. 1 a :  to provide, cover with, or surround with or as if with a wall <wall in the garden> b :  to separate by or as if by a wall <walled off half the house>

  3. 2 a :  immure <walled the monster up within the tomb — E. A. Poe> b :  to close (an opening) with or as if with a wall



13th Century

First Known Use of wall

13th century

Other Building Terms


3

wall

verb

Definition of wall

of the eyes

  1. intransitive verb
  2. :  to roll in a dramatic manner

  3. transitive verb
  4. :  to roll (one's eyes) in a dramatic manner



Origin and Etymology of wall

Middle English (Scots) wawlen, probably from Middle English wawil- (in wawil-eghed walleyed)


First Known Use: 15th century



WALL Defined for Kids

1

wall

play
noun \ˈwȯl\

Definition of wall for Students

  1. 1 :  one of the sides of a room or building

  2. 2 :  a solid structure (as of stone) built to enclose or shut off a space <The property is surrounded by a brick wall.>

  3. 3 :  something that separates one thing from another <a wall of mountains>

  4. 4 :  a layer of material enclosing space <the heart wall> <the wall of a pipe>

walled

\ˈwȯld\ adjective



2

wall

play
verb

Definition of wall for Students

walled

walling

  1. :  to build or have a wall in or around




Medical Dictionary

wall

play
noun \ˈwȯl\

Medical Definition of wall

  1. :  a structural layer surrounding a cavity, hollow organ, or mass of material <molecules small enough to be absorbed through the intestinal wall—Josie Glausiusz> <muscles of the abdominal wall>

walled

\ˈwȯld\play adjective




Seen and Heard

What made you want to look up wall? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to proceed clumsily or ineffectually

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

megillah torrent interruption rebellion
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ