sheaf
English
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Etymology
From Middle English scheef, from Old English sċēaf, from Proto-Germanic *skauba- (“sheaf”). Akin to West Frisian skeaf (“sheaf”), Dutch schoof (“sheaf”), German Schaub, Old Norse skauf (“a fox's tail”). Compare further Gothic 𐍃𐌺𐌿𐍆𐍄 (skuft, “hair of the head”), German Schopf (“tuft”).
Pronunciation
Noun
sheaf (plural sheaves or sheafs)
- A quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw.
- 1593, William Shakespeare, Titus Andronicus, Act V, Scene III, line 70:
- O, let me teach you how to knit again / This scattered corn into one mutual sheaf, / These broken limbs again into one body.
- c. 1697 John Dryden, “Georgic I”, in The Works of Virgil:
- E’en while the reaper fills his greedy hands, / And binds the golden sheaves in brittle bands
- 1593, William Shakespeare, Titus Andronicus, Act V, Scene III, line 70:
- Any collection of things bound together; a bundle.
- 1986, John le Carré, A Perfect Spy:
- Together the two men march up the aisle and mount the dais, and while Muspole shakes hands with the chairman and his lady, the major draws a sheaf of notes from a briefcase and lays them on the table.
- a sheaf of paper
- A bundle of arrows sufficient to fill a quiver, or the allowance of each archer.
- 1700, John Dryden, Palamon and Arcite:
- The sheaf of arrows shook, and rattled in the case.
- A quantity of arrows, usually twenty-four.
- 1786, Francis Grose, A Treatise on Ancient Armour and Weapons, page 34:
- Arrows were anciently made of reeds, afterwards of cornel wood, and occasionally of every species of wood: but according to Roger Ascham, ash was best; arrows were reckoned by sheaves, a sheaf consisted of twenty-four arrows.
- 1786, Francis Grose, A Treatise on Ancient Armour and Weapons, page 34:
- (mechanical) A sheave.
- (mathematics) An abstract construct in topology that associates data to the open sets of a topological space, together with well-defined restrictions from larger to smaller open sets, subject to the condition that compatible data on overlapping open sets corresponds, via the restrictions, to a unique datum on the union of the open sets.
- (Can we date this quote?), "[[w:Differentiable manifold#Structure sheaf", Wikipedia
- Sometimes, it can be useful to use an alternative approach to endow a manifold with a Ck-structure. Here k = 1, 2, ..., ∞, or ω for real analytic manifolds. Instead of considering coordinate charts, it is possible to start with functions defined on the manifold itself. The structure sheaf of M, denoted Ck, is a sort of functor that defines, for each open set U ⊂ M, an algebra Ck(U) of continuous functions U → R.
- (Can we date this quote?), "[[w:Differentiable manifold#Structure sheaf", Wikipedia
Synonyms
- (bundle of grain): reap
Derived terms
Translations
bundle of grain or straw
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any collection of things bound together; a bundle
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sheave — see sheave
mathematical construct
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- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
Verb
sheaf (third-person singular simple present sheafs, present participle sheafing, simple past and past participle sheafed)
- (transitive) To gather and bind into a sheaf; to make into sheaves
- to sheaf wheat
- (intransitive) To collect and bind cut grain, or the like; to make sheaves.
Anagrams
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