spindle-tree family spind·let·ree·family uncommon noun 1. trees and shrubs and woody vines usually having bright-colored fruits SynonymsCelastraceaefamily Celastraceaespindle-tree familystaff-tree family Related words Broader terms dicot family Parts Sapindales Part of CathaCelastrusEuonymus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.