1. ecliptic - Noun
2. ecliptic - Adjective
A great circle of the celestial sphere, making an angle with the equinoctial of about 23¡ 28'. It is the apparent path of the sun, or the real path of the earth as seen from the sun.
A great circle drawn on a terrestrial globe, making an angle of 23¡ 28' with the equator; -- used for illustrating and solving astronomical problems.
Pertaining to the ecliptic; as, the ecliptic way.
Pertaining to an eclipse or to eclipses.
Source: Webster's dictionaryall of the planets rotate the sun in approximately the same ecliptic Source: Internet
Annual aberration Stars at the ecliptic poles appear to move in circles, stars exactly in the ecliptic plane move in lines, and stars at intermediate angles move in ellipses. Source: Internet
At this time Ulysses had a low orbital inclination to the ecliptic. Source: Internet
A rectangular variant of ecliptic coordinates is often used in orbital calculations and simulations. Source: Internet
As the orbital plane of the Moon and the planets lie near the ecliptic, they can usually be found in the constellation Taurus during some part of each year. Source: Internet
At that time Pluto was too far above the ecliptic to be imaged by the survey. Source: Internet