castle keep

[jamwan55]

a good explanation of what a castle keep is (homework)

[Octavius]

Have you tried looking in a dictionary?

[morbidstorm]

lots of help here...

http://en.wikipedia.org/wiki/Keep

[Tatty Rollox]

... some keep's are haunted ....

[Bigun1_6605]

I believe the keep was the round circle of logs on the top of a hill for defense. It later evolved into a stone tower, then walls were added to make a castle. The movie "The Warlord" shows a good example.

[morbidstorm]

Yeah the type used over here were brought over by the Normans and were originally called Motte and Bailey's (although at least 3 are beleived to be before the Normans in Britain. All info here...

http://www.castles-of-britain.com/castlesa.htm

[geocluj]

Here is another good resource for the parts of a medieval castle (including the keep): https://www.castlesworld.com/tools/about.php