A range of radio frequencies allocated for use by private citizens through the medium of citizens' band radio.

plural of citizen of the world

A person who takes the view that they belong to no particular country or state, especially such a person who travels widely to different countries. / A person acting as part of the global citizenry.

(idiomatic) Synonym of John Doe

plural of second-class citizen

(programming, languages) Synonym of third-class object

A member of a class of individuals that receive fair treatment. / (programming, languages) Synonym of first-class object

plural of third-class citizen

plural of first-class citizen

A member of a class of individuals that receive inferior treatment. / (programming, languages) Synonym of second-class object