argonaut

noun

1. Any of several species of shelled octopods of the family Argonautidae (of which only the genus Argonauta is not extinct).

   “Amazingly, it wasn’t until 2010 that scientists experimentally understood how argonauts use their shell constructions to float in the water column and control buoyancy.”

2. An adventurer on a dangerous but rewarding quest.
3. (historical, specifically)A 49er, a person who took part in the California Gold Rush of 1849.
4. (alt-of)Alternative letter-case form of argonaut.

name

1. (Greek)One of the members of the Argo who sailed with Jason in search of the Golden Fleece.
2. Any of several ships and submarines of the British and US navies.
3. (Canadian)A team member for the Toronto Argonauts of the Canadian Football League.
4. (obsolete)Synonym of Ulleungdo.

   “The Olivutsa’s surveys led to the conclusion that Argonaut Island must be Ulleungdo and that the incorrect position of Argonaut Island should be discarded, thereby putting an end to the confusion that had lasted for years.”