Bible Dictionaries
Spirula

Webster's Dictionary

(n.) 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.

Bibliography Information
Webster, Noah. Entry for 'Spirula'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/spirula.html. 1828.