zodiac-lionhttp://www.oed.com/dictionary/zodiac-lion_n%3Ftab%3Dmeaning_and_usezodiac-lion, n.
First published 1921; not fully revised

zodiac-lionnoun

  1. 1818–
    1. 1818
      Now when his [sc. the sun's] chariot last Its beams against the zodiac-lion cast.
      J. Keats, Endymion i. 29

Originally published as part of the entry for zodiac, n.

zodiac, n. was first published in 1921; not fully revised.