ARGONAUT
Argonaut
(noun) (Greek mythology) one of the heroes who sailed with Jason in search of the Golden Fleece
argonaut
(noun) someone engaged in a dangerous but potentially rewarding adventure
Source: WordNet® 3.1
Etymology
Noun
argonaut (plural argonauts)
Any of several species of shelled octopods of the family Argonautidae (of which only the genus Argonauta is not extinct).
An adventurer on a dangerous but rewarding quest.
Etymology
Proper noun
Argonaut
(Greek mythology) One of the members of the Argo who sailed with Jason in search of the Golden Fleece.
Any of several ships and submarines of the British and US navies.
(Canadian football) A team member for the Toronto Argonauts of the Canadian Football League.
Source: Wiktionary
Ar"go*naut, n. Etym: [L. Argonauta, Gr. Argo.]
1. Any one of the legendary Greek heroes who sailed with Jason, in
the Argo, in quest of the Golden Fleece.
2. (Zoöl.)
Definition: A cephalopod of the genus Argonauta.
Source: Webster’s Unabridged Dictionary 1913 Edition