# wall

> vertical structure, usually solid, that defines and sometimes protects an area

**Wikidata**: [Q42948](https://www.wikidata.org/wiki/Q42948)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Wall)  
**Source**: https://4ort.xyz/entity/wall


## References

1. Integrated Authority File
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=17313)
3. Freebase Data Dumps. 2013
4. Nuovo soggettario
5. [Source](https://wiki.openstreetmap.org/wiki/Key:support)
6. BBC Things
7. YSO-Wikidata mapping project
8. BabelNet
9. FactGrid
10. National Library of Israel
11. KBpedia
12. GF WordNet