noun. ['ɪˈklɪptɪk'] the great circle representing the apparent annual path of the sun; the plane of the Earth's orbit around the sun; makes an angle of about 23 degrees with the equator.
1. Adjective The new moon must be crossing the ecliptic, or at least be very close to it. 2. Noun, singular or mass We see the sun move across the ecliptic.
