spirula

[ spir-yuh-luh, -oo-luh ]

/ ˈspɪr yə lə, -ʊ lə /

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noun, plural spir·u·lae

[spir-yuh-lee, -oo-lee]. /ˈspɪr yəˌli, -ʊˌli/.

any cephalopod of the genus Spirula, having a flat, spiral shell that is partly inside and partly outside the posterior part of the body.

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Origin of spirula

First recorded in 1825–35; from New Latin, from Late Latin spīrula “twisted cake.” See spiro-², -ule

Words nearby spirula

spiroid, spirometer, spironolactone, spiroplasma, spirt, spirula, spirulina, spiruroid, Spiruroidea, spiry, spissatus

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use spirula in a sentence

Among the tufts of grass on the sloping sides of this mound were great numbers of Spirula-shells in a tolerably perfect condition.
Cruise of the 'Alert'|R. W. Coppinger
In places in New Zealand, and elsewhere, large fossil deposits of Spirula peroni occur.
Beautiful Shells of New Zealand|E. G. B. Moss
After a gale, on looking amongst the wrack cast up by the highest waves, large numbers of our Spirula will be found.
Beautiful Shells of New Zealand|E. G. B. Moss
The latter is partly straight and partly convoluted, nearly as in Spirula.
A Manual of Elementary Geology|Charles Lyell.

A series of Chambers joining each other, as in Nautilus, Spirula, &c.
A Conchological Manual|George Brettingham Sowerby

British Dictionary definitions for spirula

spirula

/ (ˈspaɪrʊlə) /

noun

a tropical cephalopod mollusc, Spirula peronii, having prominent eyes, short arms, and a small flattened spirally coiled internal shell: order Decapoda (cuttlefish and squids)

Word Origin for spirula

C19: via New Latin from Late Latin: a small twisted cake, from Latin spīra a coil

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012