Source : Webster's Revised Unabridged Dictionary (1913)

Lamellicorn \La*mel"li*corn\, a. [Lamella + L. cornu a horn: cf.
   F. lamellicorne. See {Lamella}.] (Zo["o]l.)
   (a) Having antenn[ae] terminating in a group of flat
       lamell[ae]; -- said of certain coleopterous insects.
   (b) Terminating in a group of flat lamell[ae]; -- said of
       antenn[ae]. -- n. A lamellicorn insect.