heading      
noun [ C ] uk/ˈhed.ɪŋ/ us/ˈhed.ɪŋ/
C1 标题
words written or printed at the top of a text as a title
 - More examples
 - Centre all the headings in this document.
 - Use bold type for your headings.
 - If you don't put a heading at the top of your work, no one will know what it is.
 - All the other jobs can go under the heading 'Miscellaneous' on your list.
 - On page 31, under the heading 'Homophones - words that sound the same', you'll find some examples of this.