资料来源 : WordNet®

elephant's-foot
     n 1: South African vine having a massive rootstock covered with
          deeply fissured bark [syn: {tortoise plant}, {Hottentot
          bread vine}, {Hottentot's bread vine}, {Dioscorea
          elephantipes}]
     2: any plant of the genus Elephantopus having heads of blue or
        purple flowers; America