<synset id="n05253165" type="n">
<lex_filenum>08<lex_filenum/>
<word lex_id="0">ethmoid sinus<word/>
<word lex_id="0">ethmoidal sinus<word/>
<word lex_id="0">sinus ethmoidales<word/>
<pointer refs="n05252970">Hypernym<pointer/>
<def>a sinus of the meatuses of the nasal cavity (behind the bridge of the nose)<def/>
<synset/>