spindle tree spind·let·ree uncommon noun 1. any shrubby trees or woody vines of the genus Euonymus having showy usually reddish berries Synonymsspindle treespindleberryspindleberry tree Related words Word family spindle-tree family Broader terms shrub Narrower terms common spindle treewinged spindle tree Parts Euonymus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.