disconnect-v; 2 Senses

Sense Number 1: Detach (from) an electrical source.

Disconnect the hair dryer after you use it.
We should disconnect the battery before working on the car.
Disconnect power to the house via the main line.

VerbNet: disassemble-23.3,separate-23.1-2
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 2: (Cause to) disjoin, unfasten, or become more distant or unrelated to something else.

NOTE: May be metaphorical.

The Prime Minister has disconnected himself from the public.
You must disconnect yourself from the outside world.
Disconnect the first segment of the hard drive from the other components.
Disconnect the tendons and ligaments before sawing the bone.

VerbNet: separate-23.1-2
FrameNet: NP
PropBank: disconnect.01
WordNet 3.0 Sense Numbers: 2