cos.
Synonym of romaine lettuce, a long-leaved variety of lettuce.
Meaning & usage
Synonym of romaine lettuce, a long-leaved variety of lettuce.
Where this word comes from
Clipping of cos lettuce, variously derived from the Greek island of Kos and from Arabic خس (ḵass, “lettuce”).
Belonging to co. Gender-neutral possessive determiner, grammatically equivalent to the gendered his and her and the singular their.
Where this word comes from
Etymology tree English companyclip. English co English -s English cos From co + -s.
Cosmetology.
Where this word comes from
Clipping of cosmetology.
Informal spelling of 'cause (“because”).
Alternative form of coz, cousin.
Where this word comes from
Clipping of cousin.
plural of co
Where this word comes from
Etymology tree English companyclip. English co English -s English cos From co + -s.
Alternative form of coss, a traditional Nepali unit of distance.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.