[ mas-taks ]
/ ˈmæs tæks /


the muscular pharynx of a rotifer, containing a chewing apparatus.

Origin of mastax

1850–55; < New Latin < Greek mástax mouth, jaws, akin to masâsthai to chew Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for mastax

  • The eminent naturalist we have named calls the whole organ the mastax, and states that it is composed of dense muscular fibre.

    Marvels of Pond-life|Henry J. Slack