Don"jon (dn"jn), 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.
Don"key (d"k), n.; pl. Donkeys (-kz). [Prob. dun, in allusion to the color of the animal + a dim. termination.] 1. An ass; or (less frequently) a mule.