heading heading /ˈhɛdɪŋ/

noun

1. () A line of text serving to indicate what the passage below it is about  ( head , header , heading )
   a line of text serving to indicate what the passage below it is about
    The heading seemed to have little to do with the text
   the heading seemed to have little to do with the text
   
2. (mining) a horizontal (or nearly horizontal) passageway in a mine  ( drift , gallery , heading )
   (mining) a horizontal (or nearly horizontal) passageway in a mine
    They dug a drift parallel with the vein
   they dug a drift parallel with the vein
   
3. The direction or path along which something moves or along which it lies  ( aim , heading , bearing )
   the direction or path along which something moves or along which it lies