cos lettuce
See also: Cos lettuce
English
Alternative forms
Etymology
Uncertain. Variously derived from Cos, an alternative spelling of the Greek island of Kos, or from Arabic خس (ḵass, “lettuce”).
Noun
cos lettuce (countable and uncountable, plural cos lettuces)
- (chiefly UK) Synonym of romaine lettuce, a long-leaved variety of lettuce.