Main Entry: let·tuce

Pronunciation: \ˈle-təs\

Function: noun

Etymology: Middle English letuse, from Anglo-French letuse, probably from plural of letue lettuce plant, from Latin lactuca, from lact-, lac milk; from its milky juice — more at galaxy

Date: 14th century

: any of a genus (Lactuca) of composite plants; especially : a common garden vegetable (L. sativa) whose succulent leaves are used especially in salads