a tall lock nut, having on its outer face radial slits allowing for insertion of a cotter pin or wire in both the nut and a hole in its bolt, so as to prevent the nut from coming loose.
Architecture. built like a castle, especially with turrets and battlements. having many castles. Historical Examples The angles of the castellation of the various walls shut out the tops of the other hills or mounds on every side. The Mystery of the Sea Bram Stoker As the picture of it shows very well, the approach was […]
a seaport in E Spain. noun a port in E Spain. Pop: 160 714 (2003 est)
a small isolated fortress, or one of a series of such fortresses, of the ancient Romans. Historical Examples This castellum is a miniature embodiment of Roman taste and skill in architecture. The Actress in High Life Sue Petigru Bowen It was then a question which word should prevail,—tour (turris), or chastel (castellum). The Story of […]