mastax Meaning, Definition & Usage

Mas"tax noun
Etymology
NL., fr. Gr. mouth, jaws.
Definitions
  1. (Zoöl.) (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.

Webster 1913