a cultivated plant, Lactuca sativa, occurring in many varieties and having succulent leaves used for salads.
2.
any species of Lactuca.
3.
Slang. U.S. dollar bills; greenbacks.
Origin: 1250–1300; 1925–30 for def. 3;Middle English letuse, apparently < Old French laitues, plural of laitue < Latin lactūca a lettuce, perhaps derivative of lac, stem lact- milk, with termination as in erūcarocket2 (or by association with Greek galaktoûchos having milk)
any of various plants of the genus Lactuca, esp L. sativa, which is cultivated in many varieties for its large edible leaves: family Asteraceae (composites)
2.
the leaves of any of these varieties, which are eaten in salads
3.
any of various plants that resemble true lettuce, such as lamb's lettuce and sea lettuce
[C13: probably from Old French laitues, pl of laitue, from Latin lactūca, from lac- milk, because of its milky juice]
late 13c., from O.Fr. laitues, pl. of laitue, from L. lactuca "lettuce," from lac (gen. lactis) "milk" (see lactation); so called in allusion to the milky juice of the plant.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source