Definitions
1.nounThe descriptive heading or title of a document or part therof
2.nounA title or brief explanation attached to an illustration, cartoon, user interface element, etc.
3.nounA piece of text appearing on screen as subtitle or other part of a film or broadcast.
4.nounThe section on an official paper that describes when, where, what was taken, found or executed, and by whom it was authorized.
5.nounA seizure or capture, especially of tangible property (chattel).
6.verbTo add captions to a text or illustration."Only once the drawing is done will the letterer caption it."
7.verbTo add captions to a film or broadcast.