transit instrument Hear it!

transit instrument definition

transit instrument

  1. a telescope mounted at right angles to a horizontal east-west axis so that it can be rotated only in the vertical plane of the meridian at its site: used to observe and time the transit of celestial bodies across the meridian
  2. transit (sense )

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.