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instrument for cutting or dividing substances, as wood, iron, etc., consisting of a thin blade, or plate, of steel, with a series of sharp teeth on the edge, which remove successive portions of the material by cutting and tearing.

saw a little sidewise, that they may make a kerf somewhat wider than the thickness of the blade, to prevent friction; -- called also saw-wrest.

The case in which the blade of a sword, dagger, etc., is kept; a sheath. Nor in thy scabbard sheathe that famous blade. Fairfax. Scabbard fish (Zoöl.), a long, compressed, silver-colored tænioid fish (Lepidopus caudatus, or argyreus), found on the European coasts, and more abundantly about New Zealand, where it is call…

A small knife with a thin, keen blade, -- used by surgeons, and in dissecting.

The principal bone of the shoulder girdle in mammals; the shoulder blade.

A saber with a much curved blade having the edge on the convex side, -- in use among Mohammedans, esp., the Arabs and persians. [Written also cimeter, and scymetar.]

A cutting instrument resembling shears, but smaller, consisting of two cutting blades with handles, movable on a pin in the center, by which they are held together. Often called a pair of scissors. [Formerly written also cisors, cizars, and scissars.] Scissors grinder (Zoöl.), the European goatsucker. [Prov. Eng.]…

form of wheel for propelling steam vessels. It is placed at the stern, and furnished with blades having helicoidal surfaces to act against the water in the manner of a screw. See Screw propeller, below.

An instrument for mowing grass, grain, or the like, by hand, composed of a long, curving blade, with a sharp edge, made fast to a long handle, called a snath, which is bent into a form convenient for use. The sharp-edged scythe shears up the spiring grass. Dryden. The scythe of Time mows down. Milton.…

A pruning knife with a curved blade. Knight.

eth, of a saw, which causes the the saw to cut a kerf, or make an opening, wider than the blade.

A hand tool consisting of a sharp blade with a handle at each end; a drawing knife; a spokeshave.

n in a perpendicular direction, with an unchanged magnitude in the third direction. Shear blade, one of the blades of shears or a shearing machine. -- Shear hulk. See under Hulk. -- Shear steel, a steel suitable for shears, scythes, and other cutting instruments, prepared from fagots of blistered steel by repeated he…

ertical side cutting in working into a face of coal. Shearing machine. (a) A machine with blades, or rotary disks, for dividing plates or bars of metal. (b) A machine for shearing cloth.

An instrument consisting of two blades, commonly with bevel edges, connected by a pivot, and working on both sides of the material to be cut, -- used for cutting cloth and other substances. Fate urged the shears, and cut the sylph in twain. Pope.

in. -- Sheep scabious. (Bot.) Same as Sheep's bit. -- Sheep shears, shears in which the blades form the two ends of a steel bow, by the elasticity of which they open as often as pressed together by the hand in cutting; -- so called because used to cut off the wool of sheep. -- Sheep sorrel. (Bot.), a prerennial herb…

aised character, etc. Shoulder belt, a belt that passes across the shoulder. -- Shoulder blade (Anat.), the flat bone of the shoulder, to which the humerus is articulated; the scapula. -- Shoulder block (Naut.), a block with a projection, or shoulder, near the upper end, so that it can rest against a spar without jam…

An implement consisting of a broad scoop, or more or less hollow blade, with a handle, used for lifting and throwing earth, coal, grain, or other loose substances. Shovel hat, a broad-brimmed hat, turned up at the sides, and projecting in front like a shovel, - - worn by some clergy of the English Church. [Colloq.] --…

A reaping instrument consisting of a steel blade curved into the form of a hook, and having a handle fitted on a tang. The sickle has one side of the blade notched, so as always to sharpen with a serrated edge. Cf. Reaping hook, under Reap. When corn has once felt the sickle, it has no more benefit from the sunshine. S…

In knitting machines, one of the thin plates, blades, or other devices, that depress the loops upon or between the needles. Dividing sinker, in knitting machines, a sinker between two jack sinkers and acting alternately with them. -- Jack sinker. See under Jack, n. -- Sinker bar. (a) In knitting machines, a bar to wh…