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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