noun, plural sheaths
[sheeth z] /ʃiðz/ (Show IPA)
a case or covering for the blade of a sword, dagger, or the like.
any similar close-fitting covering or case.
Biology. a closely enveloping part or structure, as in an animal or plant.
Botany. the leaf base when it forms a vertical coating surrounding the stem.
a close-fitting dress, skirt, or coat, especially an unbelted dress with a straight drape.
Electricity. the metal covering of a cable.
the metal wall of a wave guide.
a space charge formed by ions near an electrode in a tube containing low-pressure gas.
the region of a space charge in a cathode-ray tube.
verb (used with object)
verb (used with object), sheathed, sheathing.
to put (a sword, dagger, etc.) into a sheath.
to plunge (a sword, dagger, etc.) in something as if in a sheath.
to enclose in or as if in a casing or covering.
to cover or provide with a protective layer or sheathing:
to sheathe a roof with copper.
to cover (a cable, electrical connector, etc.) with a metal sheath for grounding.
noun (pl) sheaths (ʃiːðz)
a case or covering for the blade of a knife, sword, etc
any similar close-fitting case
(biology) an enclosing or protective structure, such as a leaf base encasing the stem of a plant
the protective covering on an electric cable
a figure-hugging dress with a narrow tapering skirt
another name for condom
(transitive) another word for sheathe
to insert (a knife, sword, etc) into a sheath
(esp of cats) to retract (the claws)
to surface with or encase in a sheath or sheathing
n. pl. sheaths (shēðz, shēths)
An enveloping tubular structure, such as the tissue that encloses a muscle or nerve fiber.
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.
noun 1. a knife carried in a sheath. sheath knife noun 1. a knife carried in or protected by a sheath
- Sheath of eyeball
sheath of eyeball n. A condensation of connective tissue on the outer aspect of the sclera, from which it is separated by a narrow cleftlike space. Also called Tenon’s capsule.
- Sheath of schwann
sheath of Schwann n. See neurilemma.
noun 1. an African tree, Butyrospermum parkii, of the sapodilla family, bearing a round, smooth-skinned fruit that contains one or more seeds yielding shea butter.