<synset id="n15048748" type="n">
<lex_filenum>27<lex_filenum/>
<word lex_id="0">sourdough<word/>
<pointer refs="n14934031">Hypernym<pointer/>
<def>a leaven of dough in which fermentation is active<def/>
<def>used by pioneers for making bread<def/>
<synset/>