cassava /kəˈsɑː.və/ noun3 •Manioc (Manihot esculenta), a tropical plant which is the source of tapioca. •The root of this plant.There was a smell of evening and of coolness after a hot day and a slight scent of peat-smoke that came from cassava being roasted in one of the fishermen's huts in the village away to the right. — 1954 •Tapioca, a starchy pulp made with manioc roots.Jucca, sive Yucca Peruana. The root whereof the bread Casua, or Cazava is made. — 1677 formscassavas