- (electronics) An electrical actuator that allows a relatively small electrical voltage or current to control a larger voltage or current.
- (context, athletics) A track and field discipline where runners take turns in carrying a baton from start to finish. Most common events are 4x100 meter and 4x400 meter competitions.
Etymology: From relai (French: relais).
- to verbally pass information from one person to another, to speak
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Full Definition of relay