Meanings
cos lettuce1
plural cos lettuces · alternative Cos lettuce
- UKcountableuncountableSynonym of romaine lettuce, a long-leaved variety of lettuce.
Synonyms: romaine lettuce
Cos lettuce2
- UKuncountableAlternative letter-case form of cos lettuce, romaine lettuce.
Synonyms & antonyms
nounSynonym of romaine lettuce, a long-leaved variety of lettuce.
More synonyms by meaning
nounlettuce with long dark-green spoon-shaped leaves
nounlettuce with long dark-green leaves in a loosely packed elongated head
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
cos lettuce · noun
- Arabicخس“lettuce”
- Englishcos lettuce
Uncertain. Variously derived from Cos, an alternative spelling of the Greek island of Kos, or from Arabic خس (ḵass, “lettuce”).
More words from Arabic
Full word history & related roots →Cos lettuce · noun
From the supposed origin of cos lettuce with reference to the Greek island of Kos.
Full word history & related roots →Cite this entry
cos lettuce. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/cos%20lettuce
“cos lettuce.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cos%20lettuce. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “cos lettuce,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/cos%20lettuce.
Source: cos lettuce on Wiktionary, CC BY-SA 4.0.