from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The chambered portion of the shell of a cephalopod, divided by septa into camerae.
from the GNU version of the Collaborative International Dictionary of English
- n. The thin chambered shell attached to the anterior end of a belemnite.
from The Century Dictionary and Cyclopedia
- n. Same as phragmacone.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the thin conical chambered internal shell (either straight or curved) of a belemnite
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