Platymiscium pla·ty·mis·cium uncommon noun 1. genus of tropical American trees: quira Synonymsgenus Platymiscium Related words Word family Platymiscium pinnatumPlatymiscium trinitatis Broader terms rosid dicot genus Parts Papilionoideae Part of quira WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.