superiorlabium
nounUK /suːˈpɪəriə ˈleɪbiəm/
US /suːˈpɪriər ˈleɪbiəm/
The upper lip of an insect's mouth.
The bee uses its superiorlabium to help guide food into its mouth.
OTHER MEANINGS
2. The upper lip of certain arthropods, such as crustaceans.
In the crayfish, the superiorlabium protects the mouth opening from above.
3. A term sometimes used in anatomy for the upper lip region in some invertebrates.
Researchers noted the superiorlabium's role in feeding behavior.
4. The upper of the paired lips in the mouthparts of a hexapod.
The insect's superiorlabium moved as it chewed.