The Collaborative International Dictionary
madia oil \madia oil\ n. The vegetable oil obtained from the Madia sativa. See Madia and madia oil plant.
madia oil plant \madia oil plant\ n. The Madia sativa, a South American herb with sticky glandular foliage, the source of madia oil. See Madia.
Madia \Ma"di*a\, n. [NL., fr. Sp. madi, fr. Chilian madi, the native name.] (Bot.) A genus of composite plants, of which one species ( Madia sativa) is cultivated for the oil yielded from its seeds by pressure. This oil is sometimes used instead of olive oil for the table.
Syn: melosa, Chile tarweed, madia oil plant, Madia sativa.
melosa \melosa\ n. A South American herb ( Madia sativa) with sticky glandular foliage; it is a source of madia oil.
Syn: Chile tarweed, madia oil plant, Madia sativa.
Wikipedia
Madia sativa, known by the common names coast tarweed and Chilean tarweed, is a species of flowering plant in the aster family found in parts of western North and South America.