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Webster 1913 Edition
Mastax
‖
Mas′tax
,Noun.
[NL., fr. Gr. [GREEK] mouth, jaws.]
(Zool.)
(a)
The pharynx of a rotifer. It usually contains four horny pieces. The two central ones form the incus, against which the mallei, or lateral ones, work so as to crush the food.
(b)
The lore of a bird.