cassava

[kuh-sah-vuh] /kəˈsɑ və/
noun
1.
any of several tropical American plants belonging to the genus Manihot, of the spurge family, as M. esculenta (bitter cassava) and M. dulcis (sweet cassava) cultivated for their tuberous roots, which yield important food products.
2.
a nutritious starch from the roots, the source of tapioca.
Origin
1545-55; < Spanish cazabe cassava bread or meal < Taino caçábi
Can be confused
cassava, sweet potato, yam.
British Dictionary definitions for cassava

cassava

/kəˈsɑːvə/
noun
1.
Also called manioc. any tropical euphorbiaceous plant of the genus Manihot, esp the widely cultivated American species M. esculenta (or utilissima) (bitter cassava) and M. dulcis (sweet cassava)
2.
a starch derived from the root of this plant: an important food in the tropics and a source of tapioca
Word Origin
C16: from Spanish cazabe cassava bread, from Taino caçábi
Word Origin and History for cassava
n.

1560s, from French cassave, Spanish casabe, or Portuguese cassave, from Taino (Haiti) caçabi. Earlier in English as cazabbi (1550s).