lettuce

nouns

any of various plants of the genus Lactuca
is a member of
an herb with milky juice: lettuce; prickly lettuce
is a type of (narrower)
a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
leaves of any of various plants of Lactuca sativa
is a part of
annual or perennial garden plant having succulent leaves used in salads; widely grown
is a type of (narrower)
greens suitable for eating uncooked as in salads