[eclip.tic] adj [ME ecliptik, fr. LL ecliptica linea, lit., line of eclipses] (14c): of or relating to the ecliptic or an eclipse
[2]ecliptic n (15c): the great circle of the celestial sphere that is the apparent path of the sun among the stars or of the earth as seen from the sun: the plane of the earth's orbit extended to meet the celestial sphere