名詞 beacon:

1. a fire (usually on a hill or tower) that can be seen from a distance
   同義詞：beacon fire
2. a radio station that broadcasts a directional signal for navigational purposes
   同義詞：radio beacon
3. a tower with a light that gives warning of shoals to passing ships
   同義詞：lighthouse, beacon light, pharos

動詞 beacon:

1. shine like a beacon
2. guide with a beacon

1. The plane homed in on the radio beacon.
   飛機遵循導(dǎo)航臺信號降落。
2. A beacon flamed out against the night sky.
   燈塔在夜空襯托下閃亮。
3. This is a beacon to help aircraft discover their position.
   這個閃光燈是幫助飛機確定位置的。
4. These beacons on the coast are to warn and guide ships.
   這些海灘上的信號燈是用來提醒和指示船舶的。

bea.con

n.（名詞）
A signaling or guiding device, such as a lighthouse, located on a coast.
燈塔：位于海岸用以發(fā)送信號或?qū)Ш降难b置，如燈塔
A radio transmitter that emits a characteristic guidance signal for aircraft.
信標，無線電發(fā)送器：一種向飛機發(fā)送特殊導(dǎo)航信號的無線電傳送裝置
A source of guidance or inspiration.
（喻）指路明燈，指導(dǎo)人：進行指導(dǎo)或鼓勵的來源
A signal fire, especially one used to warn of an enemy`s approach.
烽火：信號火，尤指警告敵人接近的
v.tr.intr.（及物動詞和不及物動詞）
bea.coned,bea.con.ing,bea.cons
To provide with or shine as a beacon.
象燈塔般提供（光亮）或照亮

來源：
Middle English beken
中古英語 beken
from Old English bôacen. * see bh3-
源自 古英語 bôacen. *參見 bh3-