Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Alternative spelling of rachis.

from the GNU version of the Collaborative International Dictionary of English

  • n. The spine.
  • n.
  • n. The continued stem or midrib of a pinnately compound leaf, as in a rose leaf or a fern.
  • n. The principal axis in a raceme, spike, panicle, or corymb.
  • n.
  • n. The shaft of a feather. The rhachis of the after-shaft, or plumule, is called the hyporhachis.
  • n. The central cord in the stem of a crinoid.
  • n. The median part of the radula of a mollusk.
  • n. A central cord of the ovary of nematodes.

from The Century Dictionary and Cyclopedia

  • n. See rachis.

Etymologies

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