headingPronunciation: /ˈhɛdɪŋ/Translate heading | into French | into German | into Italian | into Spanish Definition of heading noun 1a title at the head of a page or section of a book:chapter headings a division of a subject; a class or category:this topic falls under four main headings 2a direction or bearing:he crawled on a heading of 90 degrees until he came to the track 3a horizontal passage made in preparation for building a tunnel. Mininganother term for drift (sense 4 of the noun). 4a strip of cloth at the top of a curtain above the hooks or wire by which it is suspended. heading in other Oxford dictionaries Definition of heading in the US English dictionary