shear

[ sheer ]

verb (used with object)

, sheared, sheared or shorn, shear·ing.

1. to cut (something).
2. to remove by or as if by cutting or clipping with a sharp instrument:

   to shear wool from sheep.

3. to cut or clip the hair, fleece, wool, etc., from:

   to shear sheep.

4. to strip or deprive (usually followed by of ):

   to shear someone of power.

5. Chiefly Scot. to reap with a sickle.
6. to travel through by or as if by cutting:

   Chimney swifts sheared the air.

verb (used without object)

, sheared, sheared or shorn, shear·ing.

1. to cut or cut through something with a sharp instrument.
2. to progress by or as if by cutting:

   The cruiser sheared through the water.

3. Mechanics, Geology. to become fractured along a plane as a result of forces acting parallel to the plane.
4. Chiefly Scot. to reap crops with a sickle.

noun

1. Usually shears. (sometimes used with a singular verb)
   1. scissors of large size (usually used with pair of ).
   2. any of various other cutting implements or machines having two blades that resemble or suggest those of scissors.
2. the act or process of shearing or being sheared.
3. a shearing of sheep (used in stating the age of sheep):

   a sheep of one shear.

4. the quantity, especially of wool or fleece, cut off at one shearing.
5. one blade of a pair of large scissors.
6. Usually shears. Also sheers. Also called shear legs,. (usually used with a plural verb) a framework for hoisting heavy weights, consisting of two or more spars with their legs separated, fastened together near the top and steadied by guys, which support a tackle.
7. a machine for cutting rigid material, as metal in sheet or plate form, by moving the edge of a blade through it.
8. Mechanics, Geology. the tendency of forces to deform or fracture a member or a rock in a direction parallel to the force, as by sliding one section against another.
9. Physics. the lateral deformation produced in a body by an external force, expressed as the ratio of the lateral displacement between two points lying in parallel planes to the vertical distance between the planes.

shear

/ ʃɪə /

verb

1. tr to remove (the fleece or hair) of (sheep, etc) by cutting or clipping
2. to cut or cut through (something) with shears or a sharp instrument
3. engineering to cause (a part, member, shaft, etc) to deform or fracture or (of a part, etc) to deform or fracture as a result of excess torsion or transverse load
4. troften foll byof to strip or divest

   to shear someone of his power

5. whenintr, foll by through to move through (something) by or as if by cutting
6. to reap (corn, etc) with a scythe or sickle

noun

1. the act, process, or an instance of shearing
2. a shearing of a sheep or flock of sheep, esp when referred to as an indication of age

   a sheep of two shears

3. a form of deformation or fracture in which parallel planes in a body or assembly slide over one another
4. physics the deformation of a body, part, etc, expressed as the lateral displacement between two points in parallel planes divided by the distance between the planes
5. either one of the blades of a pair of shears, scissors, etc
6. a machine that cuts sheet material by passing a knife blade through it
7. a device for lifting heavy loads consisting of a tackle supported by a framework held steady by guy ropes

shear

/ shîr /

1. A force, movement or pressure applied to an object perpendicular to a given axis, with greater value on one side of the axis than the other.
2. See more at shear force
3. See skew

Derived Forms

• ˈshearer, noun

Other Words From

• shearer noun
• shearless adjective

Word History and Origins

Origin of shear¹

First recorded before 900; (verb) Middle English sheren, Old English sceran, cognate with Dutch, German scheren, Old Norse skera; (noun) (in sense “tool for shearing”) Middle English sheres (plural), continuing Old English scērero, scēar, two words derived from the same root as the verb

Word History and Origins

Origin of shear¹

Old English sceran; related to Old Norse skera to cut, Old Saxon, Old High German skeran to shear; see share ²

Example Sentences

The combination of an unstable atmosphere, plenty of shear, energy aloft and an approaching front is a potentially volatile combination.

From Washington Post

You may find sets with extra tools, such as poultry shears, so if you’re looking for a very specific tool, check the inventory of a grill set to ensure you get what you want.

From Popular-Science

Of those 11 events, six sets of vibrations included shear waves strong enough to stand out from background noise.

From Science News

If it’s closer to two pounds, or you’re concerned about it fitting into your steamer, carefully cut off the fins with kitchen shears or slice the whole fish in half.

From Washington Post

That shear no doubt increased the tendency for these late cells to rotate.

From Washington Post

Climate change increases the available energy, but reduces the wind shear, making the net result hard to predict.

From The Daily Beast

On the other hand, wind shear is expected to decrease as the poles get warmer.

From The Daily Beast

Second, you need those layers to be traveling at different speeds or in different directions, a phenomenon called wind shear.

From The Daily Beast

Wind shear may decrease in a warmer world and that could mean fewer tornadoes.

From The Daily Beast

So which influence wins out—increasing water vapor or decreasing wind shear?

From The Daily Beast

The inclined tensions and compressions in the bars of a braced web are equivalent to this shear.

From Project Gutenberg

The distribution of shear on vertical sections is given by the ordinates of a sloping line.

From Project Gutenberg

Greatest Shear when concentrated Loads travel over the Bridge.

From Project Gutenberg

The distribution of shear is given by the partially shaded rectangles.

From Project Gutenberg

The shaded rectangles represent the distribution of shear due to the load at C, while no may be termed the datum line of shear.

From Project Gutenberg

Related Words

• mow
• prune
• shave
• snip
• trim