argonaut Meaning, Definition & Usage
noun someone engaged in a dangerous but potentially rewarding adventure
noun (Greek mythology) one of the heroes who sailed with Jason in search of the Golden Fleece
noun cephalopod mollusk of warm seas whose females have delicate papery spiral shells
paper nautilus; Argonauta argo; nautilus.
Any one of the legendary Greek heroes who sailed with Jason, in the Argo, in quest of the Golden Fleece.
(Zoöl.) A cephalopod of the genus Argonauta.