clavicornEnt.|ˈklævɪkɔːn| [ad.mod.L. clāvicorn-is, f.clāv-a club + corn-u horn.] Club-horned: applied to a subsection of pentamerous beetles, Clavicornes, having club-shaped antennæ. [1837Penny Cycl. VII. 244/2 Clavicornes.]1860Mayne Exp. Lex., Clavicornis, club-horned..clavicorn.