genus Amphicarpa ge·nu·samp·hicarpa uncommon noun 1. very small genus of twining vines of North America and Asia: hog peanut SynonymsAmphicarpaeagenus AmphicarpaeaAmphicarpagenus Amphicarpa Related words Word family genus Amphicarpaea Broader terms rosid dicot genus Parts Papilionoideae Part of hog peanut WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.