longicorn
Concise Oxford English Dictionary © 2008 Oxford University Press:
longicorn /ˈlɒn(d)ʒɪkɔːn/
▶noun former term for longhorn beetle.
– origin C19: from mod. L. longicornis, from L. longus ‘long’ + cornu ‘horn’.
'longicorn' also found in these Oxford entries:

