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R_____
Definitions
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
Word origin
From New Latin rachis, from Ancient Greek ῥάχις (rhákhis, “spine, ridge”).
Used in a sentence
“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.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer0 curated clues
No curated clues for rachis yet.