Third-person singular simple present indicative form of co-star

(Britain, informal) Any of very many shops belonging to the Co-operative Group and its predecessors

plural of co-founder

(rare) A distant in-law: A relationship by marriage with a separation by three degrees (two people), compared to prototypical in-laws, where the separation is two/one. The separation may be two degrees of blood kin and one of marriage (addressing the mother of the husband of one's daughter), or one degree blood and two of marriage (addressing the brother-in-law of one's brother, or, similarly, addressing the wife of the brother of one's husband).

colleague ("sister" in the same craft, occupation, or society) / (India) One's spouse's sibling's wife.

Third-person singular simple present indicative form of co-occur

present participle of co-occur

simple past tense and past participle of co-occur

plural of co-in-law

(pharmacology) A combination antibiotic containing amoxicillin trihydrate, a beta-lactam antibiotic, and potassium clavulanate, a beta-lactamase inhibitor.