Rochambeau roc·ham·beau UK/ˌɹoʊʃæmˈboʊ/ uncommon noun 1. French general who commanded French troops in the American Revolution, notably at Yorktown (1725-1807) SynonymsComte de RochambeauJean Baptiste Donatien de Vimeur Related words Broader terms general WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved.