la·mel·li·corn I. \ ̷ ̷ˈ ̷ ̷ ̷ ̷ˌkȯrn\adjective Etymology: New Latin Lamellicornia 1. a.of an antenna: having the form characteristic of the Lamellicornia b.of an insect: having lamellicorn antennae 2.: of or relating to the Lamellicornia II. noun (-s) : a lamellicorn beetle