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Shear
v. t.
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A shearing; -- used in designating the age of sheep.
Shear
v. t.
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A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction.
Shear
v. i.
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To deviate. See Sheer.
Shear
v. i.
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To become more or less completely divided, as a body under the action of forces, by the sliding of two contiguous parts relatively to each other in a direction parallel to their plane of contact.
Shearbill
n.
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The black skimmer. See Skimmer.
Sheard
n.
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See Shard.
Shearer
n.
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One who shears.
Shearer
n.
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A reaper.
Shearing
n.
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The act or operation of clipping with shears or a shearing machine, as the wool from sheep, or the nap from cloth.
Shearing
n.
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The product of the act or operation of clipping with shears or a shearing machine; as, the whole shearing of a flock; the shearings from cloth.
Shearing
n.
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Same as Shearling.
Shearing
n.
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The act or operation of reaping.
Shearing
n.
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The act or operation of dividing with shears; as, the shearing of metal plates.
Shearing
n.
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The process of preparing shear steel; tilting.
Shearing
n.
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The process of making a vertical side cutting in working into a face of coal.
Shearling
n.
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A sheep but once sheared.
Shearmen
pl.
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of Shearman
Shearman
n.
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One whose occupation is to shear cloth.
Shearn
n.
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Dung; excrement.
Shears
n.
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A cutting instrument.
Shears
n.
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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.
Shears
n.
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A similar instrument the blades of which are extensions of a curved spring, -- used for shearing sheep or skins.
Shears
n.
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A shearing machine; a blade, or a set of blades, working against a resisting edge.
Shears
n.
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Anything in the form of shears.
Shears
n.
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A pair of wings.
Shears
n.
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An apparatus for raising heavy weights, and especially for stepping and unstepping the lower masts of ships. It consists of two or more spars or pieces of timber, fastened together near the top, steadied by a guy or guys, and furnished with the necessary tackle.
Shears
n.
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The bedpiece of a machine tool, upon which a table or slide rest is secured; as, the shears of a lathe or planer. See Illust. under Lathe.
Sheartail
n.
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The common tern.
Sheartail
n.
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Any one of several species of humming birds of the genus Thaumastura having a long forked tail.
Shearwater
n.
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Any one of numerous species of long-winged oceanic birds of the genus Puffinus and related genera. They are allied to the petrels, but are larger. The Manx shearwater (P. Anglorum), the dusky shearwater (P. obscurus), and the greater shearwater (P. major), are well-known species of the North Atlantic. See Hagdon.