释义
n.
a fire or light set up in a high or prominent position as a warning, signal, or celebration
（设在高处作为警告、信号或庆贺的）烽火。
[often in place names]
〈英〉 适宜点烽火的山
-
Ivinghoe Beacon .艾温霍烽火山。
a light or other visible object serving as a signal, warning, or guide, especially at sea or on an airfield
（海上的）灯塔；（飞机场的）灯标。
a radio transmitter whose signal helps to fix the position of a ship, aircraft, or spacecraft
（用于确定船只、飞机或航天器位置的）（无线电）信标。
词源
"Old English
