adapter

1. One who is capable of adapting to differing situations. · He was an able adapter, and could easily adjust to the differences when the company changed ownership.
2. One who adapts a thing, e.g. a play. · The critic gave rave reviews to the adapter of the ancient play, who worked to give the text more relevance to the modern day.
3. A device or application used to achieve operative compatibility between devices that otherwise are incompatible. · He had an adapter that let him plug his phone into the car's cigarette lighter for power.
4. Specifically, a device that permits two or more plugs to be used at a single electrical power point. · The wall outlet sprouted an electrical monstrosity of adapters plugged into adapters that sparked ominously.
5. Specifically, a device that allows one format of plug to be used with a different format of socket. · We bought adapters to use our three-prong plugs in the two-prong, unpolarized outlets of the old house.
6. Specifically, an AC adapter: a device that reduces voltage and converts AC to DC to allow a battery-powered device to use mains power. · I lost my cellphone's adapter so I couldn't recharge it.
7. A collection of low-rank matrices which, when added to a base model, produces a fine-tuned model; a LoRA.

Plural adapters