Definition of oca in US English:

oca

noun

  • A South American plant related to wood sorrel, long cultivated in Peru for its edible tubers.

    Oxalis tuberosa, family Oxalidaceae

    • ‘Cultivated oca has an important place in the diets and farming systems of rural communities in the Andean highlands.’
    • ‘The potato was also of great importance and, with its related tubers oca and ulluco, provided crops which were protected from the frost, hail, and storms.’
    • ‘Several families were harvesting bright yellow oca (a sweet potato).’

Origin

Early 17th century: from American Spanish, from Quechua ócca.

Pronunciation

oca

/ˈōkə/