(idiomatic) To make an all-out effort. / (idiomatic) To fail, to run out of options. (especially of a business) / To be put aside or forgotten. / To take an extreme and determined position or measure.

Rare spelling of cell wall.

A garden enclosed by walls for purposes of shelter or decoration.

plural of walled garden

plural of party wall

A commonly shared wall dividing two properties within a row house (or terrace)

(roofing) a nonstructural wall erected around units or curbs on a roof. Typically the framing consists of girts with a wood or metal covering attached to the frame.

(chiefly Internet slang) An intimidatingly large block of writing, particularly one with few or no paragraph breaks.

plural of screen wall

(UK, plural only) A large historic line of walls encircling a town that normally dates back at least to the Middle Ages.