cordless \cordless\ adj.
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.
[PJC]
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.
[PJC]
Source: The Collaborative International Dictionary of English v.0.48
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