'Watchtower' in the Bible

The Israelites ascribed things to the Lord their God which were not true. They built for themselves high places [of worship] in all their towns, from [the lonely] lookout tower to the [populous] fortified city.

He defeated the Philistines as far as Gaza [the most distant city] and its borders, from the [isolated] lookout tower to the [populous] fortified city.

When [the men of] Judah came to the lookout tower of the wilderness, they looked toward the multitude, and behold, they were dead bodies lying on the ground, and no one had escaped.

And the lookout called like a lion,“O Lord, I stand continually on the watchtower by day,And I am stationed every night at my guard post.

For the palace has been abandoned, the populated city deserted;The hill [of the city] and the watchtower have become caves [for wild animals] forever,A delight for wild donkeys, a pasture for flocks,

“I [the Lord] have set you as an assayer [O Jeremiah] and as a tester [of the ore] of My people,That you may know and analyze their acts.”

[And as for us,] yet our eyes failed,Looking in vain for help.Watching [from the towers] we watchedFor a nation that could not save.

“Listen to another parable. There was a landowner who planted a vineyard and put a wall around it and dug a wine press in it, and built a tower, and rented it out to tenant farmers and went on a journey [to another country].