Dictionary

aquanaut

noun aqua·naut \ˈä-kwə-ˌnt, ˈa-, -ˌnät\

Definition of AQUANAUT

:  a scuba diver who lives and operates both inside and outside an underwater shelter for an extended period
ADVERTISEMENT

Origin of AQUANAUT

Latin aqua + English -naut (as in aeronaut)
First Known Use: 1881

Browse

Next Word in the Dictionary: aquaplane (noun)Previous Word in the Dictionary: aqua mirabilisAll Words Near: aquanaut
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears