# letter box

> mailbox or slot into which incoming mail can be delivered

**Wikidata**: [Q1587360](https://www.wikidata.org/wiki/Q1587360)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Letter_box)  
**Source**: https://4ort.xyz/entity/letter-box


## References

1. Freebase Data Dumps. 2013
2. YSO-Wikidata mapping project
3. KBpedia
4. GF WordNet