(astronomy) The great circle on the celestial sphere that is the mean apparent path of the sun as viewed from the earth. / (astronomy) Also, the plane in which this great circle lies.

Relating to an eclipse or the ecliptic.

plural of ecliptic

Of or pertaining to an eclipse. / Of or pertaining to an ecliptic.

(astronomy) The surface (plane) that contains the orbit of a planet in a solar system.

plural of ecliptic plane

(astronomy) The ecliptic, the plane of the Earth's orbit around the Sun, or by extension the orbital planes of other celestial bodies.

plural of plane of ecliptic

plural of ecliptick

Obsolete form of ecliptic.