Definition of trophus in US English:

trophus

noun

  • 1Entomology. In plural The mouthparts of an insect. Now rare.

  • 2Zoology. A mouthpart or feeding organ in certain other invertebrates; specifically any of the rigid cuticular structures within the mastax of a rotifer, which are responsible for grabbing or grinding food.

Origin

Early 19th century; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From scientific Latin trophus (originally in plural form trophi) from ancient Greek τροϕός feeder, rearer from an ablaut variant ( o -grade) of the base of τρέϕειν to nourish.

Pronunciation

trophus

/ˈtrəʊfəs/