amphibious assault amp·hi·biou·sassault uncommon noun 1. an amphibious operation attacking a land base that is carried out by troops that are landed by naval ships Synonymsamphibious assault Related words Broader terms amphibious operation Narrower terms EniwetokInchonIwoKwajaleinLeyteSaipanSalernoTarawa WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
