Pronunciation: (är'gō), [key]
—gen. Ar•gusPronunciation: (är'gus) [key] for 1.
1. Astron.a very large southern constellation, now divided into Vela, Carina, Puppis, and Pyxis, four separate constellations lying largely south of Canis Major.
2. (italics) Class. Myth.the ship in which Jason sailed in quest of the Golden Fleece.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.