1. Greek Mythology The ship in which Jason sailed in search of the Golden Fleece.
2. Formerly, a constellation in the Southern Hemisphere, lying between Canis Major and the Southern Cross, now divided into four smaller constellations, Carina, Puppis, Pyxis, and Vela.
[Latin Argō, from Greek.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.