antirrhinum
noun
an·tir·rhi·num ˌan-tə-ˈrī-nəm 
: snapdragon
Word History
Etymology
New Latin, genus name, from Latin, snapdragon, from Greek antirrhinon, from anti- like (from anti against, equivalent to) + rhin-, rhis nose — more at anti-
First Known Use
1548, in the meaning defined above