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| a fool or simpleton; ninny. |
| a chattering or flighty, light-headed person. |
| relay (rē'lā) Pronunciation Key
An electrical switch that is operated by an electromagnet, such as a solenoid. When a small current passes through the electromagnet's coiled wire, it produces a magnetic field that attracts a movable iron bar, causing it to pivot and open or close the switch. |