Definition of argonaut in English:


Syllabification: ar·go·naut
Pronunciation: /ˈärgəˌnôt


  • A small floating octopus, the female of which has webbed arms like sails and secretes a thin, coiled, papery shell in which the eggs are laid. Also called paper nautilus.
    • Genus Argonauta, order Octopoda
    More example sentences
    • The coleoids include modern squids, cuttlefish, octopuses, and the argonauts or paper-nautilus, together with extinct groups such as the belemnites.
    • These ammoniac egg cases/brood chambers closely resemble the female Argonauta shell, produced for this purpose by the adult argonaut.
    • One of the most astounding cephalopods is the paper nautilus also known as argonaut.

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Pronunciation: ˌastrəˈgāSHən
(in science fiction) navigation in outer space