Originally: the top of a page or piece of text. Later also: a title or other piece of text placed at the top of a page or section; a heading.

The argument or subject of a literary composition, prefixed as a heading or title; also, a motto appended to a picture, etc.

The title at the top of a page, chapter, paragraph, or other section or division of a text; (sometimes) spec. a headline. Cf. head, n.1 32.

A heading or title of a chapter. Obsolete. rare.

A heading, title, category. Obsolete.

The heading of a chapter, section, or newspaper article (chiefly used in U.S.). Also used (originally U.S.) for the title below an illustration…

A title given beneath a photograph, illustration, etc.; a caption.