(Irregular preterit, past participle: relaid, relayed).
1. To control or operate by relay.
2. To pass along.

ETYM French relais (cf. Old Fren. relais relaxation, discontinuance, Italian rilascio release, relief, rilasso relay), from Old Fren. relaissier to abandon, release, from Latin relaxare. Related to Relax. /> A switch activated by an electrical signal. A relay allows another signal to be controlled without the need for human action to route the other signal to the control point, and it also allows a relatively low-power signal to control a high-power signal.
1. Current flowing in one circuit can switch on and off a current in a second circuit; SYN. electrical relay.
2. The act of relaying something.