n. a natural family of northern temperate low evergreen plants; in some classifications placed in its own order Diapensiales. Syn. -- family Diapensiaceae, diapensia family. [ WordNet 1.5 ]
n. an order of plants, used in some classifications as coextensive with the family Diapensiaceae. Syn. -- order Diapensiales. [ WordNet 1.5 ]