from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The thickened juice of certain varieties of lettuce, used as a drug.
from the GNU version of the Collaborative International Dictionary of English
- n. The inspissated juice of the common lettuce, sometimes used as a substitute for opium.
from The Century Dictionary and Cyclopedia
- n. A drug consisting of the concreted milky juice of several species of Lactuca.
Modern Latin, from Latin lactūca ("lettuce") (Wiktionary)