cordlessadj. 1. operating without a wire connection to the companion communicating unit; -- of telephones and other devices using e.g. radio or infrared signals to allow communication between devices without a direct wire link; as, cordless telephones have a very restricted range compared with cellular phones.
2. using a battery as a source of power; -- of tools which usually use line current for power; as,
cordless electric drills are very convenient for use outdoors;
cordless razors make shaving while travelling easy.
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