[let.tuce] n [ME letuse, fr. MF laitues, pl. of laitue, fr. L lactuca, fr. lact-, lac milk; fr. its milky juice--more at galaxy] (14c): any of a genus (Lactuca) of composite plants; esp: a common garden vegetable (L. sativa) whose succulent leaves are used esp. in salads
LETTUCE
Meaning of LETTUCE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012