WordNet
n. lettuce with long dark-green spoon-shaped leaves [syn: cos lettuce, Lactuca sativa longifolia]
lettuce with long dark-green leaves in a loosely packed elongated head [syn: cos, cos lettuce, romaine]
Wikipedia
Romaine or cos lettuce is a variety of lettuce (Lactuca sativa L. var. longifolia) that grows in a tall head of sturdy leaves with firm ribs down their centers. Unlike most lettuces, it is tolerant of heat.
Usage examples of "romaine lettuce".
Demencio was in his favorite TV chair, nervously tossing a head of romaine lettuce from one hand to the other, like a softball.
Next to it, a wooden chopping board was covered with salad-romaine lettuce, cucumbers, coriander.
The waitress brought their Circe Salads: large chunks of romaine lettuce, orange slices, bean and wheat sprouts, shredded coconut, a blob of vanilla yogurt, and a topping of grated sugar-cane sawdust soaked in ginseng.
What the hell was the difference between green leaf and romaine lettuce, and why should he care?
In the background forks clove tofu and thunked against earthenware cushioned by soggy romaine lettuce.
Taylor dug into the wooden bowl, expertly coating the romaine lettuce leaves with salad dressing.
He was the green of romaine lettuce, though his hide was scaly, not leafy.
The translation promised a grilled chicken breast on Romaine lettuce.