adapter vs checker

adapter

noun
  • One who is capable of adapting to differing situations. 

  • One who adapts a thing, e.g. a play. 

  • Specifically, a device that allows one format of plug to be used with a different format of socket. 

  • Specifically, an AC adapter: a device that reduces voltage and converts AC to DC to allow a battery-powered device to use mains power. 

  • A device or application used to achieve operative compatibility between devices that otherwise are incompatible. 

  • Specifically, a device that permits two, three, or more plugs to be used at a single electrical power point. 

checker

noun
  • One who hinders or stops something. 

  • One who makes a check mark. 

  • One who or that which checks or verifies something. 

  • The clerk who tallies cost of purchases and accepts payment. 

  • The fruit of the wild service tree or chequer tree, Photinia villosa, syn. Sorbus terminalis 

  • A playing piece in the game of checkers (British: draughts). 

  • An individual square appearing in such a pattern. 

  • A pattern of alternating colours as on a chessboard. 

verb
  • To mark in a pattern of alternating light and dark positions, like a checkerboard. 

  • To develop markings in a pattern of alternating light and dark positions, like a checkerboard. 

How often have the words adapter and checker occurred in a corpus of books? (source: Google Ngram Viewer )