Sheath vs. Scabbard: What's the Difference?

Sheath and Scabbard Definitions
Sheath
A usually close-fitting case or covering for a blade, as of a sword.
Scabbard
A sheath, as for a dagger, sword, or rifle.
Sheath
Any of various similar coverings.
Scabbard
To put into or furnish with such a sheath.
Sheath
(Biology) 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.
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Scabbard
The sheath of a sword.
Sheath
A close-fitting dress.
Scabbard
To put an object (especially a sword) into its scabbard.
Suddenly he scabbarded his sabre.
Sheath
A condom.
Scabbard
The case in which the blade of a sword, dagger, etc., is kept; a sheath.
Nor in thy scabbard sheathe that famous blade.
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Sheath
A holster for a sword; a scabbard.
Scabbard
To put in a scabbard.
Sheath
(by extension) Anything that has a similar shape to a scabbard that is used to hold an object that is longer than it is wide.
Scabbard
A sheath for a sword or dagger or bayonet
Sheath
(botany) The base of a leaf when sheathing or investing a branch or stem, as in grasses.
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Sheath
(electrical engineering) The insulating outer cover of an electrical cable.
Sheath
(entomology) One of the elytra of an insect.
Sheath
(fashion) A tight-fitting dress.
Sheath
(zoology) The foreskin of certain animals (for example, dogs and horses).
Sheath
A condom.
Sheath
Alternative spelling of sheathe
Sheath
A case for the reception of a sword, hunting knife, or other long and slender instrument; a scabbard.
The dead knight's sword out of his sheath he drew.
Sheath
Any sheathlike covering, organ, or part.
Sheath
A protective covering for a knife or sword
Sheath
An enveloping structure or covering enclosing an animal or plant organ or part
Sheath
A dress suitable for formal occasions