Search Result for "donjon": 
Wordnet 3.0

NOUN (1)

1. the main tower within the walls of a medieval castle or fortress;
[syn: keep, donjon, dungeon]


The Collaborative International Dictionary of English v.0.48:

Donjon \Don"jon\ (d[u^]n"j[u^]n), n. [See Dungeon.] The chief tower, also called the keep; a massive tower in ancient castles, forming the strongest part of the fortifications. See Illust. of Castle. [1913 Webster]
WordNet (r) 3.0 (2006):

donjon n 1: the main tower within the walls of a medieval castle or fortress [syn: keep, donjon, dungeon]