nau·​ti·​loid | \ ˈnȯ-tə-ˌlȯid How to pronounce nautiloid (audio) , ˈnä-\

Definition of nautiloid

: any of a subclass (Nautiloidea) of cephalopods bearing an external straight, curved, or spiral shell that were abundant chiefly in the Paleozoic but are represented in the recent fauna only by the nautiluses

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Other Words from nautiloid

nautiloid adjective

Examples of nautiloid in a Sentence

Recent Examples on the Web

Perhaps the smaller mosasaur caught the nautiloid, but was forced to give up its prey when a larger mosasaur approached. Brian Switek, WIRED, "Mosasaur Bites and Limpet Scrapes," 11 Apr. 2012

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nautiloid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nautiloid

circa 1728, in the meaning defined above

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Time Traveler for nautiloid

The first known use of nautiloid was circa 1728

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Rhyming Dictionary: Words that rhyme with nautiloid Encyclopedia article about nautiloid

Comments on nautiloid

What made you want to look up nautiloid? Please tell us where you read or heard it (including the quote, if possible).


to wander slowly or to speak indistinctly

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