Found 2 items, similar to phragmacone.
English → English (WordNet) Definition: phragmacone phragmacone n : the thin conical chambered internal shell (either straight or curved) of a belemnite [syn: phragmocone]
English → English (gcide) Definition: phragmacone Phragmocone \Phrag"mo*cone\, n. [Gr. ?, ?, a fence, an inclosure + ? a cone.] (Zo["o]l.) The thin chambered shell attached to the anterior end of a belemnite. [Written also phragmacone.] [1913 Webster]