Wiktionary
arracacha
n. A South American plant grown as a root vegetable, http://en.wikipedia.org/wiki/Arracacha
Usage examples of "arracacha".
The dinner had been endless, course after course of local fare: roasted guinea pig, bean stew with bits of parrot meat, a salad made of spinachlike amaranth leaves chopped with a type of native carrot called arracacha, and herbed pies made from oca, a relative of the sweet potato.