
1) Beacon
Found on
https://www.crosswordclues.com/clue/watchtower

1) Lookout post 2) Sentinel site 3) Tower 4) Type of Fortified tower
Found on
https://www.crosswordclues.com/clue/watchtower

A watchtower is a type of fortification used in many parts of the world. It differs from a regular tower in that its primary use is military, and from a turret in that it is usually a freestanding structure. Its main purpose is to provide a high, safe place from which a sentinel or guard may observe the surrounding area. In some cases, non-militar...
Found on
http://en.wikipedia.org/wiki/Watchtower
[magic] In the tradition of the 1880s Order of the Golden Dawn a watchtower or guardian in ceremonial and derived neopagan magical tradition is a tutelary spirit of one of the four cardinal points or `quarters` (north, east, south, and west). They are also variously associated in many traditions with each the four classical elements (earth,...
Found on
http://en.wikipedia.org/wiki/Watchtower_(magic)

• (n.) A tower in which a sentinel is placed to watch for enemies, the approach of danger, or the like.
Found on
http://thinkexist.com/dictionary/meaning/watchtower/

(from the article `warning system`) ...to the ancient historian Livy, the Romans used geese to detect the night attack of the Gauls on Rome in the 4th century . High ground, favourable ...
Found on
http://www.britannica.com/eb/a-z/w/13
Watch'tow`er noun A tower in which a sentinel is placed to watch for enemies, the approach of danger, or the like.
Found on
http://www.encyclo.co.uk/webster/W/11

[
n] - an observation tower for a lookout to watch over prisoners or watch for fires or enemies
Found on
http://www.webdictionary.co.uk/definition.php?query=watchtower
noun an observation tower for a lookout to watch over prisoners or watch for fires or enemies
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.