D defs.my
Entry 1 sense Webster, 1913

Lactucarium

· Lac·tu·ca·ri·um · IPA /læktjuːˈkɛəɹɪəm/
01 n. The inspissated juice of the common lettuce, sometimes used as a substitute for opium.
  1. 1.
    The inspissated juice of the common lettuce, sometimes used as a substitute for opium.