cassava, cassava starch, manioc, manioca -- (a starch made by leaching and drying the root of the cassava plant; the source of tapioca; a staple food in the tropics)
cassava, manioc -- (cassava root eaten as a staple food after drying and leaching; source of tapioca)
cassava, casava -- (any of several plants of the genus Manihot having fleshy roots yielding a nutritious starch)