Beacon

Easton's Bible Dictionary (1897)

A pole (Heb. 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 (Isa. 30:17). In Isa. 33:23 and Ezek. 27:5, the same word is rendered “mast.” (See Banner.)

Smith's Bible Dictionary (1863)

A signal or conspicuous mark erected on an eminence for direction. (Isaiah 30:17)

Public domain dictionaries.