noun, plural ta·ros.
- a stemless plant, Colocasia esculenta, of the arum family, cultivated in tropical regions, in the Pacific islands and elsewhere, for the edible tuber.
- the tuber itself.
noun plural -ros
- an aroid plant, Colocasia esculenta, cultivated in the tropics for its large edible rootstock
- the rootstock of this plant
n.tropical food plant, 1769, from Polynesian (Tahitian or Maori) taro.