Definitions

from The Century Dictionary.

  • noun A drug consisting of the concreted milky juice of several species of Lactuca.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The inspissated juice of the common lettuce, sometimes used as a substitute for opium.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The thickened juice of certain varieties of lettuce, used as a drug.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

Modern Latin, from Latin lactūca ("lettuce")

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