sheaf
See also: sheave
English
Etymology
From Middle English scheef, from Old English sċēaf, from Proto-West Germanic *skaub, from Proto-Germanic *skauba- (“sheaf”).
Cognates
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.
- Synonym: reap
- c. 1588–1593 (date written), William Shakespeare, “The Lamentable Tragedy of Titus Andronicus”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [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.
- 1697, Virgil, “The First Book of the Georgics”, in John Dryden, transl., The Works of Virgil: Containing His Pastorals, Georgics, and Æneis. […], London: […] Jacob Tonson, […], →OCLC, page 60, lines 429–430:
- Ev’n while the Reaper fills his greedy hands, / And binds the golden Sheafs in brittle bands
- Any collection of things bound together.
- Synonym: bundle
- a sheaf of paper
- 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 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.
- (mechanical) A sheave.
- (mathematics) An abstract construct in topology that associates data to the open sets of a topological space (i.e. a presheaf) in such a way so as to make the local and global data compatible, generalizing the situation of functions, fiber bundles, manifold structure, etc. on a topological space. Formally, a presheaf whose sections are, in a technical sense, uniquely determined by their restrictions onto smaller sets: that is, given an open cover of :
- If two sections over agree under restriction to every , then the sections are the same.
- Given a family of sections such that all pairs agree under restriction to , there is a (unique) section over whose restriction to is .
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.
- c. 1598–1600 (date written), William Shakespeare, “As You Like It”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act III, scene ii], line 107:
Anagrams
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