| 单词 | beacon |
| 释义 | beacon —beaconless, adj. /bee"keuhn/, n. 1. a guiding or warning signal, as a light or fire, esp. one in an elevated position. 2. a tower or hill used for such purposes. 3. a lighthouse, signal buoy, etc., on a shore or at a dangerous area at sea to warn and guide vessels. 4. Navig. a. See radio beacon. b. a radar device at a fixed location that, upon receiving a radar pulse, transmits a reply pulse that enables the original sender to determine his or her position relative to the fixed location. 5. a person, act, or thing that warns or guides. 6. a person or thing that illuminates or inspires: The Bible has been our beacon during this trouble. v.t. 7. to serve as a beacon to; warn or guide. 8. to furnish or mark with beacons: a ship assigned to beacon the shoals. v.i. 9. to serve or shine as a beacon: A steady light beaconed from the shore. [bef. 950; ME beken, OE beacen sign, signal; c. OFris baken, OS bokan, OHG bouhhan] Syn. 1. beam, buoy, pharos; signal fire; balefire. |
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