/'æmbəgri:s; [US] -grɪs; `æmbɚ,ˇrɪs/
n [U] wax-like substance present in the intestines of sperm-whales and found floating in tropical seas, used as a fixative in perfumes 龙涎香（抹香鲸肠道内的蜡状物质, 见于热带海洋中漂浮, 可用作香精的定香剂）.