adapter

n. person or thing that adapts; device used to join unmatching parts; expansion card, circuit board that connects to the motherboard and enables a computer to work with a particular piece of hardware or software (Computers)

An adapter or adaptor is a device used to match the or electrical characteristics of two different things so that a connection may be made between them.An adapter may be very simple, connecting one kind of plug to another kind of socket, but not changing what passes through. One example would be a garden hose, which normally has threads that screw on, but can be attached to an adapter which allows it to snap easily on and off of faucets, other hoses, or attachments. Likewise, a serial port may require an adapter to connect between the old DB-25 type and the later DE-9 type, which have 25 and 9 pins (respectively) but only 9 wires each.
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A·dapt·er or a·dap·tor n. 1. One that adapts. 2. A connecting part that joins two pieces of apparatus. 3. [more]Adapter - Community and Resources

Noun
1. a musician who adapts a composition for particular voices or instruments or for another style of performance
(synonym) arranger, transcriber
(hypernym) musician
(hyponym) orchestrator
2. device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible
(synonym) adaptor
(hypernym) device
(derivation) adapt, accommodate

n. adapter, device which makes two items fit one another; (Computers) expansion card, card which connects to the mother board and enables various processes, adaptor, one who adapts; device which connects parts of different size or design