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. ]
Hare's lettuce,
Lamb's lettuce
Lettuce opium.
Sea lettuce,