n. | 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. | |||||||||
2. | United States currency; dollar bills; greenbacks.
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Noun | 1. | ![]() |
2. | lettuce - any of various plants of the genus Lactuca | |
3. | lettuce - leaves of any of various plants of Lactuca sativa |