wall
A rampart of earth, stones etc. built up for defensive purposes.
Other meanings
A structure built for defense surrounding a city, castle etc.
“The town wall was surrounded by a moat.”
Each of the substantial structures acting either as the exterior of or divisions within a structure.
Example sentences
Word history
From Old English "weall" (wall, dike, earthwork, rampart, dam, rocky shore, cliff).
Where this comes from
This definition is adapted from “wall” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.