Lăc'tu-cā'rĭ-ŭm, n.
n. [N. Lat., from Lat. lactuca, lettuce, from lac, lactis, milk.] The inspissated juice of the common lettuce, sometimes used as a substitute for opium.
n. [N. Lat., from Lat. lactuca, lettuce, from lac, lactis, milk.] The inspissated juice of the common lettuce, sometimes used as a substitute for opium.