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 (ŏf′ē-yo͞o′kəs, ō′fē-)
A constellation in the equatorial region near Hercules and Scorpius.

[Latin Ophiūchus, from Greek ophioukhos : ophis, serpent + okhos, holder (from ekhein, to hold; see segh- in Indo-European roots).]


n, Latin genitive Ophiuchi (ɒˈfjuːkaɪ)
(Celestial Objects) a large constellation lying on the celestial equator between Hercules and Scorpius and containing the dark nebula, Ophiuchus Nebula
[C17: via Latin from Greek Ophioukhos, from ophis snake + ekhein to hold]
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Noun1.Ophiuchus - a large constellation in the equatorial region between Hercules and Scorpius
References in classic literature ?
So spake the grieslie terrour, and in shape, So speaking and so threatning, grew ten fold More dreadful and deform: on th' other side Incenc't with indignation SATAN stood Unterrifi'd, and like a Comet burn'd, That fires the length of OPHIUCUS huge In th' Artick Sky, and from his horrid hair Shakes Pestilence and Warr.
Saturn stays in Ophiucus throughout the night, helping tomatoes grow fat.
The episode begins with the Enterprise rescuing and taking aboard four inhabitants of a damaged ship--Harry Mudd and his "cargo," three women he was transporting to a colony on Ophiucus III to marry settlers there.
Its eastward elongation gradually decreases and from mid-May it is visible only in the evening sky in Leo (passing 0.9[degrees]N of Regulus on June 06), Virgo (passing 2.0[degrees]N of Spica on September 04) Libra, Scorpius and Ophiucus (passing 4.0[degrees]N of Antares on November 10).
The "Kingdom of Og is in Orion," while "Sihon is in Ophiucus [sic]," and these huge constellation-forms to Blake symbolize the Northern and Southern Hemispheres (M 37/41:49-51); for Og, the last of the Hebraic giants of Rephaim, was located in the north of the Holy Land, while Sihon was located in the south.
Jupiter lies in the adjacent constellation of Ophiucus at this time.
Messier discovered it on June 5, 1764, and in his notes he commented: "Nebula without stars, on the parallel [declination] of Antares, between the Scorpion & the right foot of Ophiucus: this nebula is round; one can see it very well with an ordinary telescope of 31/2 feet [focal length]...."