01 n. A signal fire to notify of the approach of an enemy, or to give any notice, commonly of warning.
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1.
A signal fire to notify of the approach of an enemy, or to give any notice, commonly of warning.“No flaming beacons cast their blaze afar.” — Gay.
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2.
A signal, such as that from a lighthouse, or a conspicuous mark erected on an eminence near the shore, or moored in shoal water, as a guide to mariners.
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3.
A high hill near the shore.[Prov. Eng.]
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4.
That which gives notice of danger.“Modest doubt is called The beacon of the wise.” — Shak.
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5.
a radio transmitter which emits a characteristic signal indication its location, so that vehicles may determine their exact location by locating the beacon with a radio compass; -- also called radio beacon.(Navigation) Also: <col>radio beacon</col>
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6.
that which provides guidance or inspiration; the Constitution has been a beacon for civil rights activists.[fig.]
Phrases & compounds
Beacon fire —
a signal fire.