(mechanical engineering, rail transport, aviation, of a wheel) Equipped with brakes (the vehicle-stopping devices).

(military, US, historical) Acronym of Advanced Research Projects Agency (renamed to DARPA in 1972) / (navigation) Initialism of Automatic Radar Plotting Aid

plural of Siemon

(Gnosticism) The name of the Demiurge or 'False God'. Created when Sophia (one of the lesser aeons) tried to emanate without her counterpart (Christ).