cos lettucenoun [ C or U ]
uk/ˌkɒs ˈlet.ɪs/us/ˌkɑːs ˈlet̬.ɪs/UK also mainly US romainea type of lettuce (= green salad vegetable) with long, narrow leaves
Thesaurus: synonyms and related words
Types of vegetable
- alfalfa
- allium
- artichoke
- arugula
- asparagus
- chicory
- corn on the cob
- courgette
- cress
- cucumber
- mooli
- new potatoes
- okra
- onion
- pak choi
- shitake mushroom
- spinach
- spring greens
- spring onion
- spud
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Examples from literature
- The cos lettuce is an upright-growing type much esteemed in Europe, but less grown here.
- The radical leaves are over a foot long, stem leaves much smaller, very dark holly green of leather-like substance, the edges very unevenly shaped, the general form of the leaf being something like the cos lettuce.