Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The footmark of a bird occurring in strata of stone.

from the GNU version of the Collaborative International Dictionary of English

  • n. The footmark of a bird occurring in strata of stone.

from The Century Dictionary and Cyclopedia

  • n. In geology, one of the footmarks, at first supposed to be those of gigantic birds, or of bird-like reptiles (ornithosaurs), occurring abundantly in the Triassic sandstone of Connecticut and elsewhere. They are now believed to have been made by dinosaurian reptiles.

Etymologies

Ancient Greek (Wiktionary)

Examples

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