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Jacob's staff

American  

noun

  • Jacob's staves
    plural
  1. Astronomy. cross-staff.

  2. Surveying. a pole providing a firm support for a compass or other instrument.


Jacob's staff British  

noun

  1. a medieval instrument for measuring heights and distances

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of Jacob's staff

First recorded in 1540–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Jacob's staff I swear, I have no mind of feasting forth to-night: But I will go.—Go you before me, sirrah; Say, I will come.

From Shakespeare's play of the Merchant of Venice Arranged for Representation at the Princess's Theatre, with Historical and Explanatory Notes by Charles Kean, F.S.A. by Charles John Kean

The bear again disappeared, taking the Jacob's staff, and appeared no more that night.

From Bears I Have Met—and Others by Allen Kelly

By Jacob's staff, I swear I have no mind of feasting forth to-night; But I will go.

From The Merchant of Venice by William Shakespeare

PUNTARVOLO, a vain-glorious knight, over-englishing his travels, and wholly consecrated to singularity; the very Jacob's staff of compliment; a sir that hath lived to see the revolution of time in most of his apparel.

From Every Man out of His Humour by Ben Jonson

"He will try the efficacy of the mystic Jacob's staff."

From A Handbook to the Works of Browning (6th ed.) by Mrs. Sutherland Orr

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