from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A layer of boards or of other wood or fiber materials applied to the outer studs, joists, and rafters of a building to strengthen the structure and serve as a base for an exterior weatherproof cladding.
  • noun Nautical An exterior covering on the underwater part of a ship's hull that protects it against marine growths.
  • noun The act of providing sheathing.

from The Century Dictionary.

  • Inclosing by or as by a sheath: as, the sheathing base of a leaf; sheathing stipules, etc. See cut under sheath, 2.
  • noun The act of one who sheathes.
  • noun That which sheathes, covers, or protects, or may be used for such purpose.
  • noun A protection for the main deck of a whaling-vessel, as pine boards, about one inch in thickness, laid over the deck to prevent it from being cut up by the spades, being burned while trying out oil, etc.

from the GNU version of the Collaborative International Dictionary of English.

  • Inclosing with a sheath.
  • noun The casing or covering of a ship's bottom and sides; the materials for such covering.
  • noun (Arch.) The first covering of boards on the outside wall of a frame house or on a timber roof; also, the material used for covering; ceiling boards in general.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Something that wraps around or surrounds something, as a sheath encases its blade.
  • verb Present participle of sheathe.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior


Sorry, no etymologies found.


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  • The pearly outer sheathing is translucent, obscuring the glowing interior and giving it a muffled shimmer.

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  • The pearly outer sheathing is translucent, obscuring the glowing interior and giving it a muffled shimmer.

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  • And on top of that, some of the sheathing, which is important, was not the right sheathing.

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  • The frame above and below is covered with half-inch cedar sheathing, which is not less than six inches in width.

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  • Another good way to use plywood is to create an outdoor storage shed roof out of CDX plywood sheathing, which is especially useful for asphalt style shingles.


  • "According to Horner's theory, many other dinosaurs also had this kind of sheathing and also may have been diversely colored" said Parsons. - latest science and technology news stories

  • Tonight, I'll go home and shower off the industrial concealer sheathing the track scars on my arms and the superfluous tattoos on my shoulders.

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  • He supposedly cut through the vinyl siding and just kicked through the drywall, the sheathing being a bit on the scarce side.

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  • I built it of 6 steel beams, with Densglass (gypsum and fiberglass) outer sheathing, which was stuccoed over.

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