catchline

[kach-lahyn] /ˈkætʃˌlaɪn/
noun
1.
a word, phrase, or sentence used, especially in advertising or journalism, to arouse or call attention.
2.
a line in which a catchword appears.
3.
a line of lesser importance, set shorter or sometimes in smaller type than the lines above and beneath it.
4.
Theater. a line of comic dialogue expected to elicit laughter.
5.
slug1 (def 10a).
Origin
1865-70; catch + line1
Examples from the web for catchline
  • The cursor is within bold codes for writing the catchline.