Third-person singular simple present indicative form of hot patch

A spare device, component, or other piece of equipment which is kept powered up although not being actively used, allowing it to be immediately brought online as a replacement should a piece of equipment fail while in active use.

present participle of hot up

(computing) A patch (software fix) which is applied to a system while it is running, without the need to reboot the system to complete the patching process.

To install a hot patch (of either sense).

(UK, archaic) eggnog

plural of hot tiger

(Oxford University slang, obsolete) A drink of hot spiced ale mixed with sherry.

asphalt; pavement

Any medium that is rich in sensory data (e.g. high-definition film) and thus requires relatively little involvement by the viewer, reader, etc. in order to be consumed.