Xanthorrhoeaceae xant·horr·hoea·ceae uncommon noun 1. one of many subfamilies into which some classification systems subdivide the Liliaceae but not widely accepted Synonymsfamily Xanthorrhoeaceaegrass tree family Related words Broader terms liliid monocot family Parts Liliaceae WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
