WordReference Random House Learner's Dictionary of American English © 2014
cord•less /ˈkɔrdlɪs/USA pronunciation  adj. 
  1. lacking a cord.
  2. (of an electrical appliance) requiring no wire leading to an external electricity source:a cordless telephone.

Collins Concise English Dictionary © HarperCollins Publishers::

cordless /ˈkɔːdlɪs/ adj
  1. (of an electrical device) operated by an internal battery so that no connection to mains supply or other apparatus is needed

'cordless' also found in these entries:
In the English description:

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