rachis

Definition from Wiktionary, the free dictionary
Jump to: navigation, search

English[edit]

Wikipedia has an article on:

Wikipedia

Alternative forms[edit]

Etymology[edit]

From New Latin, from Ancient Greek ῥάχις (rhákhis, spine, ridge).

Pronunciation[edit]

Noun[edit]

rachis (plural rachises or rachides)

  1. (botany) The main shaft of either a compound leaf, head of grain, or fern frond.
  2. (zoology, anatomy) The spine or the vertebrae of the spine.
  3. (ornithology) The central shaft of a feather.

Usage notes[edit]

  • The plural form rachides is technically erroneous, being based on a mistaken impression of the Ancient Greek stem.

Translations[edit]

Anagrams[edit]