noun ar·go·naut \ˈär-gə-ˌnt, -ˌnät\

Definition of ARGONAUT

a capitalized :  any of a band of heroes sailing with Jason in quest of the Golden Fleece
b :  an adventurer engaged in a quest

Origin 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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