To add captions to a text or illustration. / To add captions to a film or broadcast.

(typography) The descriptive heading or title, of a document or part thereof. / A title or brief explanation attached to an illustration, cartoon, user interface element, etc.

plural of captioner

One who, or that which, adds captions.

plural of caption

simple past tense and past participle of caption

The act of assigning a caption.

present participle of caption

Capable of being captioned.

plural of captioning