(US, labor union) Initialism of Congress of Industrial Organizations.

Initialism of chief information officer. / Initialism of chief investment officer. / Initialism of chief innovation officer. / (UK) Initialism of Charitable incorporated organisation.

Initialism of cry it out. (in reference to the Ferber method)

plural of CIO

(US, labor) Initialism of American Federation of Labor-Congress of Industrial Organizations.

(chiefly botany) Alternative spelling of scion

An Italian-American shellfish and tomato stew.

plural of cion / Obsolete spelling of scion

plural of cioppino

plural of cioid