LabellumPronunciation/luh-BELL-um/CategoryAnatomySingularLabellumPluralLabellaDefinitionThe lower part of the labium or the modified lobe of the proboscis that functions in feeding, commonly found in flies and some other insects.EtymologyExampleThe labellum of the housefly is adapted for sponging up liquids.Related TermsLabiumProboscisFeeding