different between sheath vs coleorhiza

English

Etymology 1

From Middle English sheth, shethe (“holder for a sword, knife, etc., scabbard, sheath”) [and other forms], from Old English s??aþ (“sheath”), from Proto-Germanic *skaiþiz (“sheath; covering”), from Proto-Indo-European *skey- (“to dissect, split”) (possibly from the notion of a split stick with a sword inserted). The English word is cognate with Danish skede, Dutch schede, Icelandic skeið, German Scheide, Low German scheed, Norwegian skjede.

Pronunciation

• (Received Pronunciation) enPR: sh?th, IPA^(key): /?i??/
• (General American) IPA^(key): /?i?/
• Rhymes: -i??

Noun

sheath (plural sheaths)

1. A holster for a sword; a scabbard.
2. (by extension) Anything that has a similar shape to a scabbard that is used to hold an object that is longer than it is wide.

   Synonyms: case, casing, cover, covering, envelope

3. (botany) The base of a leaf when sheathing or investing a branch or stem, as in grasses.
4. (electrical engineering) The insulating outer cover of an electrical cable.
5. (entomology) One of the elytra of an insect.
6. (fashion) A tight-fitting dress.
7. (zoology) The foreskin of certain animals (for example, dogs and horses).
8. (Britain, informal) A condom.

   Synonyms: see Thesaurus:condom

Derived terms

• leaf sheath
• myelin sheath
• sheathy

Related terms

• sheathe
• heliosheath
• resheath, resheathe
• unsheath, unsheathe

Translations

Etymology 2

A variant of sheathe.

Pronunciation

• (Received Pronunciation) enPR: sh?th, IPA^(key): /?i?ð/
• (General American) IPA^(key): /?ið/
• Rhymes: -i?ð

Verb

sheath (third-person singular simple present sheaths, present participle sheathing, simple past and past participle sheathed)

1. Alternative spelling of sheathe

   Antonym: unsheath

Derived terms

• ensheath, insheath
• resheath
• unsheath

References

Further reading

• sheath on Wikipedia.Wikipedia
• sheath in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• sheath in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

Anagrams

• heaths

English

Noun

coleorhiza (plural coleorhizae)

1. A sheath-like structure found in a monocotyledon plant seed that acts as a protective covering enclosing the radicle.