Ĕl'a-tĕr'ī-ŭm, n.

n. [Lat., Gr. ἐλατήριον (sc. φάρμακον), from ἐλατήριος, driving, from ἐλατήρ, driver, from ἐλαύνειν, to drive.] A cathartic substance deposited from the very acrid juice of the Momordica elaterium, or wild cucumber. Brande.