Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One of a pair of shelly plates found in some cephalopods, such as the ammonites.

from the GNU version of the Collaborative International Dictionary of English

  • n. One of a pair of shelly plates found in some cephalopods, as the ammonites.

from The Century Dictionary and Cyclopedia

  • n. One of the heart-shaped plates divided by a suture found in some fossil cephalopods, as goniatites and ammonites.

Etymologies

New Latin, from Ancient Greek for "unfolding". (Wiktionary)

Examples

Sorry, no example sentences found.

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