1. 
   subheading
   [n] - a heading of a subdivision of a text
   Found op http://www.webdictionary.co.uk/definition.php?query=subheading
   
   
2. 
   Subheading
   Subheadings are subdivisions of Subject Headings. For example, the Subject Heading 'Blood' in MeSH contains the up to 16 subheadings from Abnormalities and Analysis to Radiation Effects and Radiography. You can select particular subheadings to further refine your search.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
3. 
   subheading
   noun a heading of a subdivision of a text
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=subheading
   
   
4. 
   subheading
   1) A heading of a subdivision of a text 2) Head 3) Header 4) Heading 5) Subhead
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/subheading/1
   
   

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