Definition of meridian circle in English:

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meridian circle

noun

Astronomy
A telescope mounted so as to move only on a North-South line, for observing the transit of celestial objects across the meridian.
Example sentences
  • Thus, with allowance for possible systematic errors in both the meridian circle and Mercury transit timing observations, a negative secular trend of solar radius is still supported.
  • I found my first meridian circle outside a house in Crownfield Road.
  • Ertel also designed meridian circles for the observatories of Christiania, Glasgow and Warsaw.

For editors and proofreaders

Line breaks: me¦rid|ian cir¦cle

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