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Meaning of sheath

sheath

Pronunciation: (shēth), [key]
— n., pl. v. sheaths
—n.
  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. a closely enveloping part or structure, as in an animal or plant.
  5. the leaf base when it forms a vertical coating surrounding the stem.
  6. a close-fitting dress, skirt, or coat, esp. an unbelted dress with a straight drape.
  7. the metal covering of a cable.
    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.
—v.t.
  1. to sheathe.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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