Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A fossil joint of a crinoid stem.

from the GNU version of the Collaborative International Dictionary of English

  • n. A fossil joint of a crinoid stem.

from The Century Dictionary and Cyclopedia

  • n. One of the wheel-like joints of encrinites, which occur in great profusion in certain limestones, and are commonly called screwstones, wheelstones, or St. Cuthbert's beads.

Etymologies

en- +‎ trochite (Wiktionary)

Examples

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