Definition of "tagline" []

• The punch line of a joke. (noun)
• A pithy quote habitually appended to a signature, used as an advertising slogan, etc. (noun)
• A light rope attached to an object being hoisted by a crane, used to guide it while lifting or lowering. (noun)

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• "The striking French poster for Liam Neeson's thriller "Taken": The tagline translates as "He has four days to save his daughter.""
• "Films where the tagline is the best part: sadly, too many."
• "The tagline is patently dreadful, to wit “The Sheltering Has Begun”."