Hypertext Webster Gateway: "rachidian"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Rachidian \Ra*chid"i*an\, a. [See {Rachis}.] (Anat. & Zo["o]l.)
Of or pertaining to the rachis; spinal; vertebral. Same as
{Rhachidian}.
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