(simile) A thin wall, especially if poorly soundproof. / Used other than figuratively or idiomatically: see paper, wall.

an work of art created directly on a wall, ceiling, etc / a mural, fresco, graffito, marouflage

plural of wall-painting

plural of wall sit

An exercise to strengthen the quadriceps muscles, involving forming two right angles with the body, one at the hips and one at the knees, with one's back against a wall.

plural of living wall

plural of login wall

(informal, Internet) A website notification that prevents an unregistered visitor from viewing any content until signing up or opening an account.

Alternative form of balls to the wall

Alternative form of balls to the wall