DERRICK n.
A mast, spar, or tall frame, supported at the top by stays or guys, with suitable tackle for hoisting heavy weights, as stones in building. Derrick crane, a combination of the derrick and the crane, having facility for hoisting and also for swinging the load horizontally.
DIE n.
of the separate parts which make up such a tool. Cutting die (Mech.), a thin, deep steel frame, sharpened to a cutting edge, for cutting out articles from leather, cloth, paper, etc. -- The die is cast, the hazard must be run; the step is taken, and it is too late to draw back; the last chance is taken.…
DRAG n.
See Citation under Drag, v. i., 3. Drag sail (Naut.), a sail or canvas rigged on a stout frame, to be dragged by a vessel through the water in order to keep her head to the wind or to prevent drifting; -- called also drift sail, drag sheet, drag anchor, sea anchor, floating anchor, etc. -- Drag twist (Mining), a spir…