{ As`a*fet"i*da, As`a*fœt"i*da } (&?;), n. [Asa + L. foetidus fetid.] The fetid gum resin or inspissated juice of a large umbelliferous plant (Ferula asafœtida) of Persia and the East Indies. It is used in medicine as an antispasmodic. [Written also assafœtida.]

• A resinous gum from the stem and roots of a wild Fennel Ferula asafoetida, having a strong, unpleasant smell, with culinary and medical uses.