equinoctial circle

noun

, Astronomy.

1. celestial equator.

equinoctial circle

noun

1. another name for celestial equator

equinoctial circle

1. See celestial equator

Word History and Origins

Origin of equinoctial circle¹

Middle English word dating back to 1350–1400

Example Sentences

For the Equinoctial Circle does not cut the Zodiac at right angles.

From Project Gutenberg