|Easton's Bible Dictionary|
A pole (Hebrews to'ren) used as a standard or ensign set on the tops of mountains as a call to the people to assemble themselves for some great national purpose (Isaiah 30:17). In Isaiah 33:23 and Ezek. 27:5, the same word is rendered "mast." (see Banner.)
Noah Webster's Dictionary
1. (n.) A signal fire to notify of the approach of an enemy, or to give any notice, commonly of warning.
2. (n.) A signal or conspicuous mark erected on an eminence near the shore, or moored in shoal water, as a guide to mariners.
3. (n.) A high hill near the shore.
4. (n.) That which gives notice of danger.
5. (v. t.) To give light to, as a beacon; to light up; to illumine.
6. (v. t.) To furnish with a beacon or beacons.
Int. Standard Bible Encyclopedia
be'-k'-n. The translation of the Hebrew toren, which usually means "mast" (compare Isaiah 33:23 Ezekiel 27:5), but in Isaiah 30:17 being used in parallelism with "ensign" the meaning may be "signal-staff" (Isaiah 30:17 the American Revised Version, margin "pole").
Beacon (3 Occurrences)
Judges 20:38 Now the appointed sign between the men of Israel and the liers-in-wait was, that they should make a great cloud of smoke rise up out of the city. (See JPS)
Judges 20:40 But when the cloud began to arise up out of the city in a pillar of smoke, the Benjamites looked behind them; and, behold, the whole of the city went up in smoke to heaven. (See JPS)
Isaiah 30:17 One thousand will flee at the threat of one. At the threat of five, you will flee until you are left like a beacon on the top of a mountain, and like a banner on a hill. (WEB KJV JPS ASV DBY WBS)