papaya family pa·paya·fa·mily uncommon noun 1. trees native to tropical America and Africa with milky juice and large palmately lobed leaves SynonymsCaricaceaefamily Caricaceaepapaya family Related words Broader terms dilleniid dicot family Parts Parietales Part of Carica WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.