<synset id="n06869815" type="n">
<lex_filenum>10<lex_filenum/>
<word lex_id="0">middle C<word/>
<pointer refs="n06865345">Hypernym<pointer/>
<def>the note designated by the first ledger line below the treble staff<def/>
<def>261.63 hertz<def/>
<synset/>