lily of the Nile li·lyoft·he·nile uncommon noun 1. any of various plants of the genus Agapanthus having umbels of showy blue to purple flowers Synonymsagapanthuslily of the Nile Related words Broader terms liliaceous plant Narrower terms African lily Parts genus Agapanthus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
