spirula
nounDefinition of spirula
1 capitalized : a genus (coextensive with a family Spirulidae of the order Decapoda) of small cephalopods related to the extinct belemnites, having a many-chambered shell coiled freely in a flat spiral that is comparable to the phragmocone of the belemnite shell and almost enveloped in the soft parts, and occurring in most tropic seas usually at great depths from which the shells float to the surface and are cast on beaches, although complete specimens of the animal are rare
2 plural -s : a cephalopod of the genus Spirula
Keep scrolling for more
Comments on spirula
What made you want to look up spirula? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Find the Cousins
-
- Which pair shares a common word ancestor?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZ
Share spirula
Resources for spirula