This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. Any of various plants of the genus Lactuca, especially L. sativa, cultivated for their edible leaves.

n. The leaves of L. sativa, used especially in salads.

n. Slang Paper money.

n. An edible plant, Lactuca sativa and its close relatives, having a head of green and/or purple leaves.

n. The leaves of the lettuce plant, eaten as a vegetable; as a dish often mixed with other ingredients, dressing etc.

n. : Folding money, also called cabbage, due to the green color of both US currency and the vegetables.

n. 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.

n. United States currency; dollar bills; greenbacks.

n. A garden-herb, Lactuca sativa, a hardy annual, extensively cultivated for use as a salad.

n. Any plant of the genus Lactuca; also, a plant having some resemblance to Lactuca.

n. In America, Lactuca Canadensis. Also called trumpetweed and trumpet-milkweed.

n. Sometimes the same as blue lettuce.

n. informal terms for money

n. leaves of any of various plants of Lactuca sativa

n. any of various plants of the genus Lactuca

"However, the strawberries lasted less than an hour, and I actually had to buy more romaine lettuce from the store (not as crispy, alas.)"

lamb's lettuce   

money   

blue lettuce    hairy lettuce    red wood lettuce    miner's lettuce    white lettuce    false lettuce    frog's lettuce    cabbage-lettuce    water-lettuce    western lettuce   

lettucey    sea lettuce    lettucy    lettuce leaf    lettuce opium   

greenbacks   

celery    onion    broccoli    cucumber    turnip    salad    mushroom    mustard    cress    squash