Mouthpart

Alternative forms

• mouth-part especially historically

Origin

From mouth + part.

Full definition of mouthpart

Noun

1. (usually in plural) An appendage-like structure on the outside of an insect's or other arthropod's mouth, serving to manipulate and masticate food.The fans, or brushes, create currents in the water that direct food toward the larvae’s mouthparts and help stuff the food into their deeply concealed mouths.