/ˌhɪpəˈpɒtəməs ||; ˌhɪpəˈpɑtəməs/noun [C] (plural hippopotamuses /-sɪz ||; -sɪz/or hippopotami /-maɪ ||; -maɪ/) (informal 非正式hippo /ˈhɪpəʊ ||; ˈhɪpo/) a large African animal with a large head and short legs that lives in or near rivers 河马（产于非洲） ☞picture at pachyderm 见pachyderm插图