bicorn
adjective
bi·corn ˈbī-ˌkȯrn 
variants or bicorned or less commonly bicornous
ˈbī-ˌkȯrnd
(ˈ)bī-¦kȯr-nəs
: two-horned : like a crescent
Word History
Etymology
bicorn from Latin bicornis, from bi- bi- entry 1 + -cornis (from cornu horn); bicorned from Latin bicornis + English -ed; bicornous from Latin bicornis + English -ous