caption

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A title, short explanation, or description accompanying an illustration or a photograph.
• noun A series of words superimposed on the bottom of television or motion picture frames that communicate dialogue to the hearing-impaired or translate foreign dialogue.
• noun A title or heading, as of a document or article.
• noun Law The heading of a pleading or other document that identifies the parties, court, term, and number of the action.
• transitive verb To furnish a caption for.

from The Century Dictionary.

• noun Seizure; capture; taking; catching.
• noun Captious or specious arguments or caviling; the act of caviling or taking exception; sophism; quibble or quibbling.
• noun The act of taking or apprehending by a judicial process.
• noun In law, a certificate stating the time and place of executing a commission in chancery, or of taking a deposition, or of the finding of an indictment, and the court or authority before which such act was performed, and such other particulars as are necessary to render it legal and valid, written upon or attached to the document to which it relates.
• noun The heading or title of a legal instrument or of a chapter, article, section, or page: as, the caption of Genesis i.; an editorial under the caption “A new Force in Politics.”

from the GNU version of the Collaborative International Dictionary of English.

• noun obsolete A caviling; a sophism.
• noun rare The act of taking or arresting a person by judicial process.
• noun (Law) That part of a legal instrument, as a commission, indictment, etc., which shows where, when, and by what authority, it was taken, found, or executed.
• noun United States The heading of a chapter, section, or page.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun typography The descriptive heading or title of a document or part therof
• noun A title or brief explanation attached to an illustration or cartoon.
• noun cinematography A piece of text appearing on screen as subtitle or other part of a film or broadcast.
• noun law The section on an official paper that describes when, where, what was taken, found or executed, and by whom it was authorized.
• noun obsolete, law A seizure or capture, especially of tangible property (chattel).
• verb To add captions to a text or illustration.
• verb To add captions to a film or broadcast.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun taking exception; especially a quibble based on a captious argument
• noun translation of foreign dialogue of a movie or TV program; usually displayed at the bottom of the screen
• noun brief description accompanying an illustration
• verb provide with a caption, as of a photograph or a drawing