maundril

Noun

maundril (plural maundrils)

1. (historical) A pick with two prongs, used for prying.
   • The cutting maundrils taper directly from the centre to the points, the holing maundrils are somewhat stronger and bluffer.1865, Hilary Bauerman, A Descriptive Catalogue of the Geological, Mining, and Metallurgical Models in the Museum of Practical Geology, page 27
2. (round object for shaping material) Alternative form of mandrel.
   • They must be fitted with lined or double hoops, drawn on maundrils to fit quite tight; the bottom pieces being bored at the joint, and a peg left at the end of the part above to fill it up, so that when put together, all the wood being there, the joint will be as firm as any part of the rod...1836, John Turton, The angler's manual; or, fly-fisher's oracle, page 1
   • Hollow maundrils of metal are used instead of cores to form the internal surfaces of chambers of guns. The maundrils are to be formed accurately to the shape of the surfaces required for the castings, so that subsequent turning and boring may be dispensed with.1859, Thomas Fairbairn, William Andrew Fairbairn, George Fairbairn, “Improvements in the mode or method of casting ordnance, &c.”, in Abridgments of the Specifications Relating to Fire-arms and Other...
3. (tool or component that guides, grips, or clamps) Alternative form of mandrel.
   • The whole cylinder is then placed in the furnace, and brought to a proper welding heat; it is next passed through a series of grooved rollers, the grooves of which are furnished with a maundril, or an egg form, attached to, and supported on, the end of a fixed bar, firmly secured at the opposite...1853, McConnell, “On Hollow Railway Axles”, in The London journal of arts and sciences, page 365
   • The increased facility for dividing and punching the pitch pins on the rollers for engraving by mill and other machines, and in setting out for hand and other engraving, is obtained by an improved method of securing the roller to the maundril. Instead of the usual box maundril made in segments or...1857 May 1, “Barber's Machinery for Mill and Other Engraving Rollers”, in The Engineer, volume 3, page 347