tag line

UK: /ˈtæglaɪn/

WordReference Random House Unabridged Dictionary of American English © 2026

tag′ line′, 

1. Show Business the last line of a play, story, speech, etc., used to clarify or dramatize a point.
2. a phrase or catchword that becomes identified or associated with a person, group, product, etc., through repetition:
   Entertainers often develop tag lines, like Ted Lewis's "Is everybody happy?''
3. [Mach.] (on a crane) a cable for steadying a suspended bucket at the rear.
Also, tag′line′. 
• 1935–40