# porthole

> round window of a ship

**Wikidata**: [Q513621](https://www.wikidata.org/wiki/Q513621)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Porthole)  
**Source**: https://4ort.xyz/entity/porthole


## References

1. Library of Congress Subject Headings
2. Freebase Data Dumps. 2013
3. National Library of Israel Names and Subjects Authority File
4. GF WordNet