|—n , pl sheaths|
|1.||a case or covering for the blade of a knife, sword, etc|
|2.||any similar close-fitting case|
|3.||biology an enclosing or protective structure, such as a leaf base encasing the stem of a plant|
|4.||the protective covering on an electric cable|
|5.||a figure-hugging dress with a narrow tapering skirt|
|6.||another name for condom|
|7.||(tr) another word for sheathe|
|[Old English scēath; related to Old Norse skeithir, Old High German sceida a dividing; compare Old English scādan to divide]|
n. pl. sheaths (shēðz, shēths)
An enveloping tubular structure, such as the tissue that encloses a muscle or nerve fiber.
|sheath (shēth) Pronunciation Key
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.