noun
cos
kos
noun
1
A long-leaved variety of lettuce, also called romaine.
"The Caesar salad recipe calls for crisp cos lettuce."
How to Use Cos
Learner’s notesIn plain EnglishAnother name for romaine lettuce.
Word Forms
coses plural
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “cos”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The Caesar salad recipe calls for crisp _____ lettuce.
Etymology
Shortened from "cos lettuce," a name traced back to the Greek island of Kos, where the variety was said to originate.