Webster’s Revised Unabridged Dictionary · 1913
Opopanax
O·pop′a·nax, n. [L., fr. Gr. ὀποπάναξ; ὁπός vegetable juice + πάναξ, πάνακες. a kind of plant: cf. F. opopanax.] The inspissated juice of an umbelliferous plant (the Opoponax Chironum), brought from Turkey and the East Indies in loose granules, or sometimes in larger masses, of a reddish yellow color, with specks of white. It has a strong smell and acrid taste, and was formerly used in medicine as an emmenagogue and antispasmodic. Dunglison.