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Webster 1913 Edition

Rhachidian

Rha-chid′i-an

,

Adj.

Of or pertaining to the rhachis;

as, the

rhachidian

teeth of a mollusk

.

Definition 2024

rhachidian

rhachidian

English

Adjective

rhachidian ‎(not comparable)

(anatomy) Of or pertaining to the rhachis.
the rhachidian teeth of a mollusk