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spirula

American  
[spir-yuh-luh, -oo-luh] / ˈspɪr yə lə, -ʊ lə /

noun

plural

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


spirula British  
/ ˈspaɪrʊlə /

noun

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

"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

Etymology

Origin of spirula

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

Example Sentences

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One particularly important species was the rare ram's horn squid, Spirula spirula.

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