noun, plural sheaths [sheeth z] /ʃiðz/.
- 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)
- sheath knife,
- sheath of eyeball,
- sheath of schwann,
Origin of sheath
Examples from the Web for sheath
The first lady wore a Michael Kors sheath with a matching cropped jacket and traditional pearls.Michelle Obama and Ann Romney: First Ladies of Style|Robin Givhan|October 24, 2012|DAILY BEAST
I learned from those articles, lessons about rhythm and pacing and when to stick the dagger in and when to sheath it.
I took off the sheath, the holster, so to speak, of the taser and I loaded the taser.L.A. Riots Anniversary: Stacey Koon’s Disturbing Testimony|Christine Pelisek|April 28, 2012|DAILY BEAST
But Victoria Beckham likes a sheath so perfectly fitted that you might as well brace yourself for a diet based solely on refusal.
The sheath surrounding the nerves acts as an electrical insulator, increasing neural speed by 100-fold.
“Yes,” said the man, and he pulled a long knife out of its sheath and tried its edge.Dead Man's Land|George Manville Fenn
I take it to be a small pen-knife in a sheath; useful for making erasures.Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer
There is a sheath for it when the bee does not wish to use it; and here is a picture of it.Natural History|Anonymous
It was common for a man to carry a butcher's knife in a sheath fastened to his belt.Joe Wilson and His Mates|Henry Lawson
His knife also had disappeared from its sheath; he realized that he was absolutely unarmed and helpless.The Doomsman|Van Tassel Sutphen
noun plural sheaths (ʃiːðz)
Word Origin for sheath
Old English sceað, scæð, from Proto-Germanic *skaithiz (cf. Old Saxon scethia, Old Norse skeiðir (plural), Old Frisian skethe, Middle Dutch schede, Dutch schede, Old High German skaida, German scheide "a sheath, scabbard"), according to OED, possibly from root *skei- "divide, split" (see shed (v.)) on notion of a split stick with the sword blade inserted. Meaning "condom" is recorded from 1861; sense of "close-fitting dress or skirt" is attested from 1904.