Bible Dictionaries
Orthoceras

Webster's Dictionary

(n.) An extinct genus of Paleozoic Cephalopoda, having a long, straight, conical shell. The interior is divided into numerous chambers by transverse septa.

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