Link Centre Dictionary

rachis

rac·his

UK/ˈɹeɪkɪs/ uncommon obsolete

noun

1.

axis of a compound leaf or compound inflorescence

2.

the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

  • “the fall broke his back”
Synonyms

Origin

From New Latin rhachis/rachis, from Ancient Greek ῥάχις (rhákhis, “spine, ridge”).

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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.