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steam boiler, consisting of soft material, as putty, covered and held in place by a plate bolted or riveted fast.

A pivoted tongue, or sliding bolt, on one part of a machine, adapted to fall into notches, or interdental spaces, on another part, as a ratchet wheel, in such a manner as to permit motion in one direction and prevent it in the reverse, as in a windlass; a catch, click, or detent. See Illust. of Ratchet Wheel. [Written…

.] There was a tricksy girl, I wot, albeit clad in gray, As peart as bird, as straight as bolt, as fresh as flowers in May. Warner (1592).

his want of skill would have set the world on fire, had he not been struck with a thunderbolt by Jupiter, and hurled headlong into the river Po.

ock (Mach.), a block, or standard, for supporting a journal, as of a shaft. It is usually bolted to the frame or foundation of a machine, and is often furnished with journal boxes, and a movable cover, or cap, for tightening the bearings by means of bolts; -- called also pillar block, or plumber block. -- Pillow lace,…

es together, or as a support by which one article may be suspended from another; a peg; a bolt. With pins of adamant And chains they made all fast. Milton.

A kingbolt of a wagon.

An auxiliary rope to strengthen a mast. Preventer bolts, or Preventer plates (Naut.), fixtures connected with preventers to reënforce other rigging. -- Preventer stay. (Naut.) Same as Preventer, 3.

A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing.

th for arrows to be carried on the person. Reside him hung his bow And quiver, with three-bolted thunder stored. Milton.

piece of canvas. [Nautical Slang] Our ship was a clipper with every rag set. Lowell. Rag bolt, an iron pin with barbs on its shank to retain it in place. -- Rag carpet, a carpet of which the weft consists of narrow of cloth sewed together, end to end. -- Rag dust, fine particles of ground-up rags, used in making pap…

A bolting sieve to sift meal. [Obs. or Prov. Eng.]

To pass, as the end of a pope, through any hole in a block, thimble, cleat, ringbolt, cringle, or the like.

A long, narrow strip of timber bent and bolted longitudinally to the ribs of a vessel, to hold them in position, and give rigidity to the framework. Rib-band lines, oblique longitudinal sectionss of the hull of a vessel. Knight.

g or pressing down the point so that it shall spread out and form a second head; a pin or bolt headed or clinched at both ends. With busy hammers closing rivets up. Shak. Rivet joint, or Riveted joint, a joint between two or more pieces secured by rivets.

Atelornis and allied genera. They are nocturnal birds, and feed on the ground. -- Roller bolt, the bar in a carriage to which the traces are attached; a whiffletree. [Eng.] -- Roller gin, a cotton gin inn which rolls are used for separating the seeds from the fiber. -- Roller mill. See under Mill. -- Roller skate, a…

A scarf joint. Scarf joint (a) A joint made by overlapping and bolting or locking together the ends of two pieces of timber that are halved, notched, or cut away so that they will fit each other and form a lengthened beam of the same size at the junction as elsewhere.

To have a smell. [Obs.] Thunderbolts . . . do scent strongly of brimstone. Holland.

wood or to fasten something; -- called also wood screws, and screw nails. See also Screw bolt, below.

A pedunculated ascidian of the genus Boltonia.