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transit instrument

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noun
  1. Astronomy. meridian circle.
  2. Surveying. transit(def 6a).

Origin of transit instrument

First recorded in 1805–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for transit instrument

Historical Examples

  • The transit-instrument, or culminatory, observes when a star has reached the highest point in its course.

    Titan: A Romance v. 1 (of 2)

    Jean Paul Friedrich Richter

  • The deviation of a transit-instrument from the plane of the meridian at the horizon; it is also termed the azimuthal error.

    The Sailor's Word-Book

    William Henry Smyth


British Dictionary definitions for transit instrument

transit instrument

noun
  1. an astronomical instrument, mounted on an E-W axis, in which the reticle of a telescope is always in the plane of the meridian. It is used to time the transit of a star, etc, across the meridian
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