genus Caryocar ge·nus·ca·ryocar uncommon noun 1. type genus of the Caryocaraceae; South American trees yielding strong fine-grained wood and edible nuts SynonymsCaryocargenus Caryocar Related words Broader terms dilleniid dicot genus Parts Caryocaraceae Part of souari WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.