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sheathing

[shee-th ing] /ˈʃi ðɪŋ/
noun
1.
the act of a person who sheathes.
2.
something that sheathes; a covering or outer layer of metal, wood, or other material, as one of metal plates on a ship's bottom, the first covering of boards on a house, etc.
3.
material for forming any such covering.
Origin
1490-1500
1490-1500; sheathe + -ing1
Related forms
undersheathing, noun

sheath

[sheeth] /ʃiθ/
noun, plural sheaths
[sheeth z] /ʃiðz/ (Show IPA)
1.
a case or covering for the blade of a sword, dagger, or the like.
2.
any similar close-fitting covering or case.
3.
a condom.
4.
Biology. a closely enveloping part or structure, as in an animal or plant.
5.
Botany. the leaf base when it forms a vertical coating surrounding the stem.
6.
a close-fitting dress, skirt, or coat, especially an unbelted dress with a straight drape.
7.
Electricity. the metal covering of a cable.
8.
Electronics.
  1. the metal wall of a wave guide.
  2. a space charge formed by ions near an electrode in a tube containing low-pressure gas.
  3. the region of a space charge in a cathode-ray tube.
verb (used with object)
9.
to sheathe.
Origin
before 950; Middle English s(c)heth(e), Old English scēath; cognate with German Scheide; see shed2
Related forms
sheathless, adjective
sheathlike, sheathy, adjective
Can be confused
sheath, sheathe.

sheathe

[sheeth] /ʃið/
verb (used with object), sheathed, sheathing.
1.
to put (a sword, dagger, etc.) into a sheath.
2.
to plunge (a sword, dagger, etc.) in something as if in a sheath.
3.
to enclose in or as if in a casing or covering.
4.
to cover or provide with a protective layer or sheathing:
to sheathe a roof with copper.
5.
to cover (a cable, electrical connector, etc.) with a metal sheath for grounding.
Origin
1350-1400; Middle English shethen, derivative of sheath
Related forms
sheather, noun
Can be confused
sheath, sheathe.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for sheathing
  • My diagnosis is that the myelin sheathing around my nerves was not being repaired because of a lack of cholesterol.
  • The transplanted cartilage acts as a sheathing to allow it to merge with the body's own cartilage.
  • The steel is attached directly to the roof sheathing with screws that tighten on to rubber washers.
  • The first row of floor sheathing must be installed by workers on the ground, ladders, or sawhorse scaffolds.
  • Avoid patching deteriorated roof lath or sheathing with plywood or composite materials.
  • Solid, stable roof sheathing is needed to provide a good nailing surface.
  • Create a means of drainage between the insulation board and sheathing.
British Dictionary definitions for sheathing

sheathing

/ˈʃiːðɪŋ/
noun
1.
any material used as an outer layer, as on a ship's hull
2.
boarding, etc, used to cover the wall studding or roof joists of a timber frame

sheath

/ʃiːθ/
noun (pl) sheaths (ʃiːðz)
1.
a case or covering for the blade of a knife, sword, etc
2.
any similar close-fitting case
3.
(biology) an enclosing or protective structure, such as a leaf base encasing the stem of a plant
4.
the protective covering on an electric cable
5.
a figure-hugging dress with a narrow tapering skirt
6.
another name for condom
verb
7.
(transitive) another word for sheathe
Word Origin
Old English scēath; related to Old Norse skeithir, Old High German sceida a dividing; compare Old English scādan to divide

sheathe

/ʃiːð/
verb (transitive)
1.
to insert (a knife, sword, etc) into a sheath
2.
(esp of cats) to retract (the claws)
3.
to surface with or encase in a sheath or sheathing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for sheathing

sheath

n.

Old English sceað, scæð, from Proto-Germanic *skaithiz (cf. Old Saxon scethia, Old Norse skeiðir (plural), Old Frisian skethe, Middle Dutch schede, Dutch schede, Old High German skaida, German scheide "a sheath, scabbard"), according to OED, possibly from root *skei- "divide, split" (see shed (v.)) on notion of a split stick with the sword blade inserted. Meaning "condom" is recorded from 1861; sense of "close-fitting dress or skirt" is attested from 1904.

sheathe

v.

c.1400, "to furnish (a sword, etc.) with a sheath," from sheath; meaning "to put (a sword, etc.) in a sheath" is attested from early 15c. Related: Sheathed; sheathing.

Online Etymology Dictionary, © 2010 Douglas Harper
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sheathing in Medicine

sheath (shēth)
n. pl. sheaths (shēðz, shēths)
An enveloping tubular structure, such as the tissue that encloses a muscle or nerve fiber.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sheathing in Science
sheath
  (shēth)   
An enveloping tubular structure, such as the base of a grass leaf that surrounds the stem or the tissue that encloses a muscle or nerve fiber.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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16
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