<synset id="n12271451" type="n">
<lex_filenum>20<lex_filenum/>
<word lex_id="1">jack oak<word/>
<word lex_id="0">northern pin oak<word/>
<word lex_id="0">Quercus ellipsoidalis<word/>
<pointer refs="n12268246">Hypernym<pointer/>
<def>small to medium deciduous oak of east central North America<def/>
<def>leaves have sharply pointed lobes<def/>
<synset/>