pinhole
A small hole, of a size that could have been made by a pin
Other meanings
The aperture in a pinhole camera or camera obscura
A port left unprotected by a firewall to allow a particular application to gain access to a service.
A kind of
- puncture
Where this comes from
This definition is adapted from “pinhole” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.