Definition of argonaut
1a capitalized : any of a band of heroes sailing with Jason in quest of the Golden Fleeceb : an adventurer engaged in a quest
2 : paper nautilus
Origin and Etymology of argonaut
Latin Argonautes, from Greek Argonautēs, from Argō, ship in which the Argonauts sailed + nautēs sailor — more at nautical
First Known Use: 14th century
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