La*mel"li*corn (?), a. [Lamella
+ L. cornu a horn: cf. F. lamellicorne. See
Lamella.] (Zoöl.) (a) Having
antennæ terminating in a group of flat lamellæ; -- said
of certain coleopterous insects. (b)
Terminating in a group of flat lamellæ; -- said of
antennæ. -- n. A lamellicorn
insect.