1. Noun
A genus of cephalopods having a multilocular, internal, siphunculated shell in the form of a flat spiral, the coils of which are not in contact.
2. Noun
a small tropical cephalopod of the genus Spirula having prominent eyes and short arms and a many-chambered shell coiled in a flat spiral
Vocabulary classified under Nature and environment
More about this word
Synonyms and related words
Explore this word