adapter

Short definition from Wiktionary

Noun

1. 1
   One who is capable of adapting to differing situations.
2. 2
   One who adapts a thing, e.g. a play.
3. 3
   A device or application used to achieve operative compatibility between devices that otherwise are incompatible.
4. 4
   A device or application used to achieve operative compatibility between devices that otherwise are incompatible: Specifically, a device that permits two or more plugs to be used at a single electrical power point.
5. 5
   A device or application used to achieve operative compatibility between devices that otherwise are incompatible: Specifically, a device that allows one format of plug to be used with a different format of socket.
6. 6
   A device or application used to achieve operative compatibility between devices that otherwise are incompatible: Specifically, an AC adapter: a device that reduces voltage and converts AC to DC to allow a battery-powered device to use mains power.
7. 7
   A collection of low-rank matrices which, when added to a base model, produces a fine-tuned model; a LoRA.