trophi
plural noun
tro·phi
ˈtrōˌfī
1
: the mouthparts of an arthropod (as an insect) including the labrum, labium, maxillae, mandibles, and hypopharynx with their appendages
2
: the masticating organs of a rotifer including the incus and the two mallei
broadly : mastax
Word History
Etymology
New Latin, plural of trophus mouth, from Greek trophos feeder, from trephein to nourish
First Known Use
1813, in the meaning defined at sense 1