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Related to Lactucarium: Wild lettuce


n.1.The inspissated juice of the common lettuce, sometimes used as a substitute for opium.
References in periodicals archive ?
Lettuce (green leaf, red leaf, romaine) is a low-calorie fiber food that also is a great place to find vitamin A, folic add, lactucarium (which helps enhance calmness and pain relief), as well as the antioxidants lutein and zeaxanthin.
The vegetable contains a natural opiate called lactucarium, so come bedtime wire into a lettuce sandwich or have a cup of lettuce soup.
In their natural, wild forms, the various species of lettuce contain high levels of a narcotic drug called lactucarium that was known as lettuce opium.