Definitions

from The Century Dictionary.

  • noun The name given by some paleontologists to peculiar markings observed on various rocks in Wales and Newfoundland, and supposed to be burrows of annelids, or something similar.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Paleon.) An ancient wormhole in sand, preserved in the rocks.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun paleontology An ancient wormhole in sand, preserved in the rocks.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin arena sand + colere to cherish or live.

Examples

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