longicorn

adjective

lon·​gi·​corn ˈlän-jə-ˌkȯrn 

1

: of, relating to, or being long-horned beetles

2

: having long antennae

longicorn noun

Word History

Etymology

ultimately from Latin longus long + cornu horn — more at horn

First Known Use

circa 1848, in the meaning defined at sense 1