'Lettuce' definitions:

Definition of 'lettuce'

From: WordNet
noun
Informal terms for money [syn: boodle, bread, cabbage, clams, dinero, dough, gelt, kale, lettuce, lolly, lucre, loot, moolah, pelf, scratch, shekels, simoleons, sugar, wampum]
noun
Any of various plants of the genus Lactuca
noun
Leaves of any of various plants of Lactuca sativa

Definition of 'Lettuce'

From: GCIDE
  • Lettuce \Let"tuce\ (l[e^]t"t[i^]s), n. [OE. letuce, prob. through Old French from some Late Latin derivative of L. lactuca lettuce, which, according to Varro, is fr. lac, lactis, milk, on account of the milky white juice which flows from it when it is cut: cf. F. laitue. Cf. Lacteal, Lactucic.]
  • 1. (Bot.) A composite plant of the genus Lactuca ({Lactuca sativa}), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is Lactuca Canadensis. [1913 Webster]
  • 2. United States currency; dollar bills; greenbacks. [slang] [PJC]
  • Hare's lettuce, Lamb's lettuce. See under Hare, and Lamb.
  • Lettuce opium. See Lactucarium.
  • Sea lettuce, certain papery green seaweeds of the genus Ulva. [1913 Webster]