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Sheaf vs Undefined - What's the difference?

sheaf | undefined |

As a noun sheaf

is a quantity of the stalks and ears of wheat, rye, or other grain, bound together; a bundle of grain or straw.

As a verb sheaf

is to gather and bind into a sheaf; to make into sheaves; as, to sheaf wheat.

As an adjective undefined is

lacking a definition or value.

sheaf

English

Noun

(en-noun)
  • 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.
  • * (rfdate) (John Dryden):
    • The reaper fills his greedy hands, / And binds the golden sheaves in brittle bands.
  • 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.
  • * (rfdate) (John Dryden):
    • 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, 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.
  • *

    • Verb

    (en verb)
  • To gather and bind into a sheaf; to make into sheaves; as, to sheaf wheat.
  • To collect and bind cut grain, or the like; to make sheaves.
  • * 1599 , William Shakespeare, As You Like It , Act III, Scene II, line 107:
    • They that reap must sheaf and bind; Then to cart with Rosalind.
    English nouns with irregular plurals

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined