Word.ws English Dictionary

rachises

rachises is the plural of rachis.

Meaning of rachis

Noun

rachis (plural rachises or rachides)

  1. (obsolete) The spinal column, or the vertebrae of the spine.
  2. An anatomical shaft or axis in a marine invertebrate.
    • In some squid species, the pen rachis flares out into wings on either side, and the tip of the rachis grows into a thick cone.2017, Danna Staaf, Squid Empire, ForeEdge, →ISBN, page 115
  3. The central shaft of a feather.
  4. The axis of either a compound leaf, inflorescence, or fern frond.

Questions about rachises

What is rachises the plural of?
Rachises is the plural of rachis.

Words near rachises in the dictionary

  1. rachiotomy
  2. rachipagi
  3. rachipagus
  4. rachis
  5. rachischisis
  6. rachises
  7. Rachit
  8. rachitic
  9. rachitic pelves
  10. rachitic pelvis
  11. rachitic pelvises

Source and license

Adapted from Wiktionary: rachises (page history and authors); rachis (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “rachises.” Word.ws, https://word.ws/rachises. Based on Wiktionary, CC BY-SA 4.0.