Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An orthoceras.
  • n. Any fossil shell allied to Orthoceras.

from the GNU version of the Collaborative International Dictionary of English

  • n. An orthoceras; also, any fossil shell allied to Orthoceras.

from The Century Dictionary and Cyclopedia

  • A fossil cephalopod of the genus Orthoceras or the family Orthoceratidæ. Also orthoceratoid.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

ortho- + Ancient Greek a horn.

Examples

Comments

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