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• A sheath (synonym: jacket) is the outer covering or coverings of a communications or power cable. It is made of tough material, often plastic, that is resistant to environmental hazards such as abrasion, liquid intrusion, solar radiation, etc., and is used to protect cable components such as optical fibers or metallic conductors that transport the signal or power.

There may be more than one sheath surrounding a given cable. For example, some cable designs use an inner sheath surrounded by metallic armor, over which is an outer sheath.

(Source: Federal Standard 1037C)

• Sheath leaves are a type of leaf characteristic of some monocotyledonous plants, especially grasses. Sheath leaves are typically long, narrow, and triangular in shape. The leaf veins are parallel. The main characteristic is a basal part (the sheath) that clasps the stem or culm for some distance above the leaf origin (node). An example of a plant with sheath leaves is maize.

• A sheath is another word for condom.

• A penis sheath is traditional clothingSee also List of types of clothing Introduction Humans often wear articles of clothing (also known as dress garments or attire on the body (for the alternative, see nudity). In its broadest sense, clothing includes coverings for the trunk and limbs as wel in New GuineaNew Guinea located just north of Australia, is the world's second largest island having become separated from the Australian mainland when the area now known as the Torres Strait flooded around 5000 BC. The name Papua also refers to the island in whole or, worn without other clothing, tied in upward position (image: [1])