Phrase guide

cos lettuce

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

Synonym of romaine lettuce, a long-leaved variety of lettuce.

Definition source: English Wiktionary via Wiktextract

Usage: UK, countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: romaine lettuce

Antonyms: none provided

2

noun

Meaning 2

Alternative letter-case form of cos lettuce, romaine lettuce.

Definition source: English Wiktionary via Wiktextract

Usage: UK, alt-of, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

lettuce with long dark-green leaves in a loosely packed elongated head

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: cos, romaine, romaine lettuce

Antonyms: none provided

Broader terms: lettuce

4

noun

Meaning 4

lettuce with long dark-green spoon-shaped leaves

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: romaine lettuce, Lactuca sativa longifolia

Antonyms: none provided

Broader terms: lettuce

History

Etymology

Uncertain. Variously derived from Cos, an alternative spelling of the Greek island of Kos, or from Arabic خس (ḵass, “lettuce”).

From the supposed origin of cos lettuce with reference to the Greek island of Kos.