The innermost and strongest part of a medieval castle, usually in the form of a tower, used as a refuge of last resort should the rest of the castle fall to an enemy.
The keep of Warkworth Castle, Northumberland, England. Late 14th century.
A free resource for students and teachers, created by Dr. James Terry. Art History Glossary by James Terry is licensed under Creative Commons CC BY-NC-ND 4.0 .