adapter adapter /əˈdæptər/

noun

1. 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  ( adapter , adaptor )
   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
   
   
2. A musician who adapts a composition for particular voices or instruments or for another style of performance  ( adapter , arranger , transcriber )
   a musician who adapts a composition for particular voices or instruments or for another style of performance