any of various structures, organs, or appendages around the mouth in arthropods, modified for biting, piercing, sucking, chewing, grasping, etc.: usually used in pl.
Any of the parts of the mouth of an insect or other arthropod, especially a part or an organ used for a specific way of feeding.
- (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.
- Alternative spelling of mouthpart.