1A large constellation (the Serpent Bearer or Holder), said to represent a man in the coils of a snake. Both the celestial equator and the ecliptic pass through it, but it is not counted among the signs of the zodiac.

1. 1.1as genitive Ophiuchi /ˌäf(ē)ˈyo͞okī, ˌōf(ē)-/ Used with preceding letter or numeral to designate a star in the constellation Ophiuchus.
   与其前面的字母或数字连用以标记该星座中的星蛇夫星座的
   the star Eta Ophiuchi

   蛇夫座η星。