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/ˈkæpʃn; `kæpʃən/ n
1 short title or heading of an article in a magazine, etc （杂志等文章中的）标题, 题目.
2 words printed with an illustration or a photograph in order to describe or explain it （附於插图、 照片上的）说明文字.
3 words shown on a cinema or television screen, eg to establish the scene of a story (eg `New York 1981') （电影片或电视上的）字幕（如｀纽约1981年＇）.