devil's corkscrew

English

Noun

devil's corkscrew (plural devil's corkscrews)

  1. A meters-deep, corkscrew-shaped formation of compact earth found in the American Midwest that is the infilled burrow of an ancient beaver genus †Palaeocastor

References

This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.