catchline
catch line |ˈkaCHˌlīn, ˈkeCH- ˈkætʃlaɪn | ▶noun Printing a short, eye-catching line of type, typically one at the top of a page such as a running head. • Brit. an advertising slogan.
catch |line |ˈkatʃlʌɪn | ▶noun Brit. • an advertising slogan: there was an advert for tea that had the catchline: 'Tea. Best Drink of the Day'. • Printing a short, eye-catching line of type, such as a running head.