(music, chiefly in the plural) A key with the same key signature as another key.

(chiefly video games) A key which, when pressed, hides a program from view by a superior in the workplace.

(obsolete) Cold as a metallic key; lifeless.

plural of major key

plural of minor key

(computing) Primary meta/modifier key used in Apple Macintosh computer keyboards for executing keyboard shortcuts. Usually represented by the ⌘ (Place of Interest Sign) and sometimes called the "Apple key" as the Apple logo is often on the key as well.

Alternative spelling of chromakey

Alternative spelling of chromakey

plural of surrogate key

(databases) A unique identifier for an entity or object, not derived from application data.