'Mastax' definitions:

Definition of 'Mastax'

From: GCIDE

Mastax \Mas"tax\, n. [NL., fr. Gr. ? 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. [1913 Webster]