Entry 1 sense Webster, 1913 Lamellicornia · La·mel·li·cor·ni·a · IPA 01 n. pl. A group of lamellicorn, plant-eating beetles; -- called also Lamellicornes. 1. A group of lamellicorn, plant-eating beetles; -- called also Lamellicornes.(Zool.) Also: Lamellicornes