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Webster 1913 Edition

Gnathidium

‖

Gna-thid′i-um

,

Noun.

;

pl.

Gnathidia

(#)

.

[NL., fr. Gr.

γνάθοσ

the jaw.]

(Zool.)

The ramus of the lower jaw of a bird as far as it is naked; – commonly used in the plural.