elephant’s-foot

noun, plural el·e·phant’s-foots.

1. a climbing vine, Dioscorea elephantipes, of southern Africa, having a massive, edible, yamlike tuber.

noun

1. a monocotyledonous plant, Testudinaria elephantipes, of southern Africa, with a very large starchy tuberous stem, covered in corky scales: family Dioscoreaceae