<synset id="n11460829" type="n">
<lex_filenum>19<lex_filenum/>
<word lex_id="0">cold front<word/>
<word lex_id="0">polar front<word/>
<pointer refs="n11460488">Hypernym<pointer/>
<pointer refs="n11460962">Hyponym<pointer/>
<def>the front of an advancing mass of colder air<def/>
<synset/>