nautiloid

English

Etymology

From nautilus +‎ -oid.

Noun

nautiloid (plural nautiloids)

  1. A mollusc resembling a nautilus; specifically, a cephalopod of the subclass Nautiloidea. [from 18th c.]
    • 2016, Mark Carnall, The Guardian, 17 August:
      Cephalopods have a long fossil record, the earliest certain cephalopod fossils are loosely coiled or straight shelled nautiloids found in the Cambrian of China 515 million years ago.

Adjective

nautiloid (comparative more nautiloid, superlative most nautiloid)

  1. (zoology) Resembling a nautilus; pertaining to the subclass Nautiloidea. [from 19th c.]
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