1. Noun.  An edible plant, ''Lactuca sativa'' and its close relatives, having a head of green and/or purple leaves.
  2. Noun.  (uncountable) The leaves of the lettuce plant, eaten as a vegetable; as a dish often mixed with other ingredients, dressing etc.
  3. Noun.  (uncountable, US) : Folding money, also called cabbage, due to the green color of both US currency and the vegetables.

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This entry was last updated on RefTopia from its source on 3/20/2012.