romaine lettuce

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. lettuce with long dark-green spoon-shaped leaves
• Syn:
cos lettuce, Lactuca sativa longifolia
• Hypernyms:
lettuce
• Member Holonyms:
Lactuca, genus Lactuca
2. lettuce with long dark-green leaves in a loosely packed elongated head
• Syn:
cos, cos lettuce, romaine
• Hypernyms:
lettuce