ˌkōnē(ˌ)ōsəˈlīnəm noun
Usage: capitalized
Etymology: New Latin, from conio- (from Conium ) + Selinum (genus name formerly used for what is now called Conioselinum ), from Late Latin selinon celery — more at celery
: a genus of aromatic herbs (family Umbelliferae) having much-dissected leaves and compound umbels of minute white flowers — see hemlock parsley