key off
English edit
Verb edit
key off (third-person singular simple present keys off, present participle keying off, simple past and past participle keyed off)
- (computing) To take something as a controlling input datum.
- This logic keys off the user's social security number.
- To turn off something (e.g. a car) using a key.
- She keyed off the ignition and went into the house.