sheaf
Definition from Wiktionary, a free dictionary
Contents |
[edit] English
[edit] Pronunciation
[edit] Etymology
Old English sceaf, from Proto-Germanic. Akin to German Schaub, Old Norse skauf (“‘a fox's tail’”). Compare Gothic 𐍃𐌺𐌿𐍆𐍄 (skuft), “‘hear of the head’”), German Schopf (“‘tuft’”).
[edit] Noun
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Singular |
Plural |
sheaf (plural sheaves)
- A quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw.
- Any collection of things bound together; a bundle.
- a sheaf of paper
- A bundle of arrows sufficient to fill a quiver, or the allowance of each archer.
- The sheaf of arrows shook and rattled in the case. -- John Dryden.
- (unit) A quantity of arrows, usually twenty-four.
- (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. W
[edit] Translations
bundle of grain or straw
Any collection of things bound together; a bundle
Mathematical construct
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[edit] Verb
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Infinitive |
Third person singular |
Simple past |
Past participle |
Present participle |
to sheaf (third-person singular simple present sheafs, present participle sheafing, simple past and past participle sheafed)