<synset id="n08581897" type="n">
<lex_filenum>15<lex_filenum/>
<word lex_id="0">heartland<word/>
<pointer refs="n08630985">Hypernym<pointer/>
<def>the central region of a country or continent<def/>
<def>especially a region that is important to a country or to a culture<def/>
<synset/>