1. (noun) an herb with milky juice: lettuce; prickly lettuce

• genus lactuca

1. (noun) an herb with milky juice: lettuce; prickly lettuce

• aster family
• asteraceae
• compositae
• family asteraceae
• family compositae

1. (noun) an herb with milky juice: lettuce; prickly lettuce

• asterid dicot genus

1. (noun) an herb with milky juice: lettuce; prickly lettuce

• common lettuce
• garden lettuce
• lactuca sativa
• cos lettuce
• lactuca sativa longifolia
• romaine lettuce
• head lettuce
• lactuca sativa capitata
• lettuce