Sheath

Sheath, pronounced, may refer to:


 * Scabbard, a sheath for holding a sword, dagger, knife, or similar edged weapons, as well as long guns, such as rifles and shotguns.
 * The outer covering of an electrical cable
 * Debye sheath, a layer of a plasma in physics
 * Heliosheath, the region of the heliosphere beyond the termination shock
 * Kosha, an element in human being makeup according to Hinduist philosophy
 * Koteka, a penis sheath worn by some natives of New Guinea
 * Sheath (album), a 2003 album by LFO
 * Sheath dress, a type of dress

Biology

 * Carotid sheath, connective tissue around the neck's vascular compartment
 * Leaf sheath, the leaf base when it forms a vertical coating surrounding the stem
 * Myelin sheath, an insulating layer over the axon of a neuron
 * Preputial sheath, protective skin around the penis or clitoris
 * Clitoral sheath
 * Penile sheath, the foreskin into which a penis retracts
 * Rectus sheath, the laminas around abdominal muscles
 * Root sheath, the inner or epidermic coat around the root of a hair follicle
 * Tendon sheath, a synovial membrane surrounding a tendon in, for example, the fingers