Definify.com
Webster 1913 Edition
Lettuce
Let′tuce
(lĕt′tĭs)
, Noun.
1.
(Bot.)
A composite plant of the genus
Lactuca
(Lactuca sativa
), the leaves of which are used as salad. Plants of this genus yield a milky juice, from which lactucarium is obtained. The commonest wild lettuce of the United States is Lactuca Canadensis
. Hare’s lettuce
, Lamb's lettuce
Lettuce opium
. See
– Lactucarium
. Sea lettuce
, certain papery green seaweeds of the genus
Ulva
.Webster 1828 Edition
Lettuce
LETTUCE
,Noun.
A genus of plants, the Lactuca, of many species, some of which are used as salads.
Definition 2025
lettuce
lettuce
English

Romaine lettuce (Lactuca sativa var. longifolia)
Noun
lettuce (countable and uncountable, plural lettuces)
- An edible plant, Lactuca sativa and its close relatives, having a head of green and/or purple leaves.
- (uncountable) The leaves of the lettuce plant, eaten as a vegetable; as a dish often mixed with other ingredients, dressing etc.
- I’ll have a ham sandwich with lettuce and tomato.
- (uncountable, US, slang) United States paper currency; dollars.
Synonyms
Translations
an edible plant, Lactuca
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the leaves of the lettuce plant, eaten as a vegetable or dish
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US paper currency
Derived terms
Terms derived from lettuce