- a wood sorrel, Oxalis tuberosa, of the Andes, cultivated in South America for its edible tubers.
- a tuber of this plant.
Origin of oca
1595–1605; < Spanish < Quechua oqa
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- any of various South American herbaceous plants of the genus Oxalis, cultivated for their edible tubers: family Oxalidaceae
C20: via Spanish from Quechua okka