sheaf

Fetched 2026-10-26 (cache).

Synonyms: shear, shelf, shea, shean, heaf, sheay, sheal, seaf, shead, shef, shoaf

Antonyms: shear, shelf, shea, shean, heaf, sheay, sheal, seaf, shead, shef, shoaf

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q942040}}A quantity of the [[stalk]]s and [[ear]]s of [[wheat]], [[rye]], or other [[grain]], [[bound]] together; a [[bundle]] of grain or [[straw]].
2. Any [[collection]] of things [[bound]] together.
3. {{lb|en|collective}} A bundle of [[arrow]]s sufficient to fill a [[quiver]], or the [[allowance]] of each [[archer]].
4. {{lb|en|collective}} A [[quantity]] of [[arrow]]s, usually [[twenty-four]].
5. {{lb|en|mechanics}} A [[sheave]].
6. {{lb|en|mathematics}} An abstract construct in [[topology]] that associates [[data]] to the [[open set]]s 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 [[function]]s, [[fiber bundle]]s, [[manifold]] structure, etc. on a topological space. Formally, a [[presheaf]] <math>\mathcal{F}</math> whose [[section]]s are, in a technical sense, uniquely determined by their [[restriction]]s onto smaller sets: that is, given an open cover <math>\{U_i \}</math> of <math>U</math>:

Verb

1. {{lb|en|transitive}} To [[gather]] and bind into a sheaf; to make into sheaves
2. {{lb|en|intransitive}} To [[collect]] and bind [[cut]] grain, or the like; to make sheaves.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.