'Phragmocone' definitions:
Definition of 'phragmocone'
From: WordNet
noun
The thin conical chambered internal shell (either straight or curved) of a belemnite [syn: phragmocone, phragmacone]
Definition of 'Phragmocone'
From: GCIDE
- Phragmocone \Phrag"mo*cone\, n. [Gr. ?, ?, a fence, an inclosure + ? a cone.] (Zool.) The thin chambered shell attached to the anterior end of a belemnite. [Written also phragmacone.] [1913 Webster]